Waterfall Country (Pontneddfechan Circular) Walk

More rapids, cascades and waterfalls than any other walk, wooded gorges, limestone uplands, caves, mines and far views

Hiking weather forecast

Brecon Beacons hourly weather (Visual Crossing)

Sunset: 17:26. Dusk: 18:01. Dark: 18:40. Moon 94% (19:46 to dawn)

Updated: Sun, 16-Feb at 02:39

06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21
Today 7% 0% 0% 0% 0% 0% 0% 3% 3% 3% 3% 3% 3% 7% 7% 7%
Mon, 17 Feb 0% 0% 0% 0% 0% 0% 0% 3% 3% 3% 3% 3% 3% 7% 7% 7%
Tue, 18 Feb 3% 3% 3% 3% 3% 3% 3% 0% 0% 0% 0% 0% 0% 3% 3% 3%
Wed, 19 Feb 7% 13% 13% 13% 13% 13% 13% 3% 3% 3% 3% 3% 3% 13% 13% 13%
Thu, 20 Feb 19% 🌫 36% 36% 36% 🌫 36% 🌫 36% 36% 55% 55% 55% 55% 55% 55% 68% 68% 68%
Fri, 21 Feb 55% 52% 52% 52% 52% 52% 52% 48% 48% 48% 48% 48% 48% 61% 61% 61%
Sat, 22 Feb 52% 32% 32% 32% 32% 32% 32% 36% 36% 36% 36% 36% 36% 36% 36% 36%
Sun, 23 Feb 32% 45% 45% 45% 45% 45% 45% 48% 48% 48% 48% 48% 48% 39% 39% 39%
Mon, 24 Feb 48% 45% 45% 45% 45% 45% 45% 52% 52% 52% 52% 52% 52% 39% 39% 39%
Tue, 25 Feb 23% 39% 39% 39% 39% 39% 39% 39% 39% 39% 39% 39% 39% 29% 29% 29%
Wed, 26 Feb 26% 19% 19% 19% 19% 19% 19% 32% 32% 32% 32% 32% 32% 23% 23% 23%
Thu, 27 Feb 23% 32% 32% 32% 32% 32% 32% 36% 36% 36% 36% 36% 36% 26% 26% 26%
Fri, 28 Feb 29% 42% 42% 42% 42% 42% 42% 32% 32% 32% 32% 32% 32% 36% 36% 36%
Sat, 01 Mar 36% 32% 32% 32% 32% 32% 32% 32% 32% 32% 32% 32% 32% 29% 29% 29%
Sun, 02 Mar 19% 36% 36% 36% 36% 36% 36% 45% 45% 45% 45% 45% 45% 39% 39% 39%

Percentages are the chance of rain.

Weather data by Visual Crossing

Brecon Beacons hourly weather (Open Meteo)

Sunset: 17:26. Dusk: 18:01. Dark: 18:40. Moon 94% (19:46 to dawn)

Updated: Mon, 20-Jan at 08:37

06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21
Today 0% 0% 1% 1% 🌫 2% 🌫 2% 🌫 3% 🌫 4% 8% 🌫 12% 16% 🌫 18% 18% 18%
Tue, 21 Jan 🌫 22% 🌫 21% 🌫 18% 🌫 16% 🌫 15% 🌫 15% 🌫 14% 🌫 12% 9% 6% 🌫 4% 🌫 3% 🌫 2% 🌫 3% 🌫 4% 🌫 6%
Wed, 22 Jan 10% 9% 8% 🌫 8% 🌫 7% 🌫 6% 🌫 6% 🌫 9% 🌫 13% 16% 16% 14% 12% 12% 12% 12%
Thu, 23 Jan 8% 13% 21% 31% 44% 60% 73% 82% 89% 94% 96% 96% 92% 80% 64% 51%
Fri, 24 Jan 92% 95% 94% 92% 88% 83% 78% 73% 68% 65% 64% 64% 63% 58% 53% 49%
Sat, 25 Jan 55% 57% 59% 59% 56% 52% 49% 48% 48% 47% 44% 41% 39% 42% 46% 49%
Sun, 26 Jan 43% 43% 42% 42% 42% 41% 41% 41% 42% 43% 44% 45% 47% 50% 53% 56%
Mon, 27 Jan 69% 70% 71% 72% 73% 74% 75% 76% 77% 78% 78% 79% 78% 76% 74% 71%
Tue, 28 Jan 61% 60% 58% 56% 54% 53% 53% 55% 57% 60% 63% 65% 67% 67% 65% 63%
Wed, 29 Jan 49% 50% 52% 54% 56% 58% 59% 59% 58% 56% 54% 51% 49% 47% 44% 42%
Thu, 30 Jan 24% 23% 22% 21% 20% 20% 20% 20% 21% 21% 21% 22% 22% 22% 22% 22%
Fri, 31 Jan 24% 25% 25% 26% 27% 27% 27% 26% 25% 24% 23% 22% 22% 23% 24% 25%
Sat, 01 Feb 25% 24% 22% 21% 20% 19% 18% 18% 18% 18% 19% 19% 20% 21% 21% 22%
Sun, 02 Feb 31% 32% 33% 33% 33% 33% 33% 32% 31% 30% 29% 28% 27% 27% 28% 28%
Mon, 03 Feb 27% 26% 26% 25% 25% 24% 24% 24% 24% 26% 25% 24% 23% 23% 24% 25%
Tue, 04 Feb 16% 17% 18% 20% 22% 24% 26% 27% 27% 27% 27% 27% 26% 25% 24% 23%

Percentages are the chance of rain.

Weather data by Open-Meteo

Brecon Beacons hourly weather (Met Office)

Sunset: 17:26. Dusk: 18:01. Dark: 18:40. Moon 94% (19:46 to dawn)

Updated: Sun, 16-Feb at 02:00

06 09 12 15 18 21
Today 5% 7% 17% 19% 🌫 18% 8%
Mon, 17 Feb 8% 7% 6% 4% 5% 6%
Tue, 18 Feb 7% 7% 7% 6% 6% 5%
Wed, 19 Feb 9% 14% 13% 13% 14% 15%
Thu, 20 Feb 49% 52% 54% 75% 55% 52%
Fri, 21 Feb 24% 23% 77% 77% 77% 76%
Sat, 22 Feb 20% 21% 17% 35% 14% 16%

Percentages are the chance of rain.

Weather data by Met Office

Regional weather (Met Office)

Sunset: 17:26. Dusk: 18:01. Dark: 18:40. Moon 94% (19:46 to dawn)

Updated: Sun, 16-Feb at 02:38

Wales

Mainly dry and cloudy on Sunday, brightest in the south.

  • Showery rain becoming largely confined to north Wales this evening
  • Turning drier overnight with clearer intervals possible in the south
  • A slight frost is possible here but largely frost-free elsewhere with some mist and murk over higher ground
  • Minimum Temperature 0C

Sunday:

  • A dry day for many, but light showers are possible in the north, these locally wintry over higher ground
  • Largely cloudy but some brightness is likely in the south
  • Breezier
  • Maximum Temperature 6C

Outlook for Monday to Wednesday:

  • Staying mainly dry and cloudy with brighter periods possible
  • The chance of a little rain and hill snow in the north later Monday
  • Becoming breezier and turning much milder later

UK Day 6-7 and week 2

  • Atlantic frontal systems likely spread across the UK from the west at the start of this period
  • These will bring spells of rain to many parts of the UK, although the heaviest rainfall will probably be in western areas
  • Some eastern areas could end up largely dry
  • Strong winds are also likely at times, especially along coasts
  • Through the second half of this period, toward the turn of the month, periods of unsettled weather are expected at times, with Atlantic weather systems continuing to move eastwards across the UK - these could bring heavy rain and strong winds at times
  • Some drier, brighter periods with showers are likely between systems
  • Temperatures will most likely be above average

UK Week 3 and 4

  • Unsettled during early March with Atlantic frontal systems spreading across the UK from the west
  • These will bring spells of rain and strong winds at times, interspersed by some drier, brighter periods between systems
  • Into the middle of the month, drier, more settled conditions will probably become more prevalent, especially in the south
  • Temperatures are most likely to be above average

Weather data by Met Office

Brecon Beacons mountain weather forecast (Met Office)

Updated: Sat, 15-Feb at 17:11

Specialist mountain forecast: MWIS

Evening
Sat, 15-Feb

Mostly dry but some patchy light rain. Cloud covering most of the hills above about 400 or 500m but some breaks across the far north. Fresh southeast winds. Feeling cold with freezing level just above summits.

Tomorow
Sun, 16-Feb

Mainly dry. Low cloud slowly lifting. Cold and windy.

Cloudy overnight and to start the morning with the odd spot of light rain. This will soon clear then a cold, dry and mostly cloudy day. A few bright or clear spells on lower slopes in the west.

Medium risk Severe Chill Effect
High risk Poor Visibility
Chance of Cloud free tops 10% at first becoming 30% in the morning.
Ground conditions Please see - https://yrwyddfa.live/
Visibility Areas of cloud and fog above 300m overnight and to start the morning but some breaks in the far west. Cloud will slowly lift but remaining persistent above 600 or 700m in the afternoon. Good visibility under the cloud base.
Confidence High for largely dry but cold weather on Sunday. Lower confidence for precipitation details on Monday and Tuesday but high for an eventual change to milder weather by Wednesday.
View A largely dry day but feeling bitterly cold on the tops, especially in damp conditions in low cloud. Difficult conditions for navigation, especially in the morning.

Conditions on the tops at 900m

Time Weather Rain Temp Wind Freezing
00:00 Fog 20% 3 8 1700m
03:00 Fog 20% 2 8 1700m
06:00 Fog 20% 1 11 1500m
09:00 Fog 20% -0 16 1400m
12:00 Fog 10% -1 17 1100m
15:00 Fog <05% -1 16 900m
18:00 Cloudy <05% -2 18 800m
21:00 Cloudy <05% -2 18 600m
Mon, 17-Feb

Mainly dry overnight but a chance of some light rain or freezing rain for a time. Largely dry but cloudy in the morning then longer sunny spells in the afternoon. Patchy sleet or snow arrive from the west late in the evening. Feeling bitterly cold with strong winds on the tops.

Ice 500m.
Visibility Occasional cloud above 500m overnight and in the morning, lifting above the summits in the afternoon. Mainly very good visibility away from low cloud.
Wind Southeast 25 to 35mph gusts 45mph. Severe wind chill.
Temp (tops) Minus 2 or 3C. at 800m
Tue, 18-Feb

Cloudy with outbreaks of sleet or snow at first but soon dry with bright spells. Strong southerly winds giving a severe wind chill. Freezing level 500m rising above summits.

Wed, 19-Feb

Mainly dry and cloudy with patchy light rain or drizzle. Freezing level rising above summits as milder conditions set in. Strong southerly winds on the tops.

Thu, 20-Feb

Mild with occasional rain or drizzle. Strong to gale force southwest winds.

Weather data by Met Office

Brecon Beacons Air Quality (Pollen and UV)

Updated: Sun, 16-Feb at 02:37

Key : Low Medium High Very High

00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
Today air q     air q     air q     air q     air q     air q     air q     air q UV   air q UV   air q UV   air q UV   air q UV   air q UV   air q UV   air q UV   air q     air q     air q     air q     air q     air q     air q    
Mon, 17 Feb air q     air q     air q     air q     air q     air q     air q     air q     air q UV   air q UV   air q UV   air q UV   air q UV   air q UV   air q UV   air q UV   air q UV   air q UV   air q     air q     air q     air q     air q     air q    
Tue, 18 Feb air q     air q     air q     air q     air q     air q     air q     air q     air q UV   air q UV   air q UV   air q UV   air q UV   air q UV   air q UV   air q UV   air q UV   air q UV   air q     air q     air q     air q     air q   alder air q   alder
Wed, 19 Feb air q   alder air q     air q     air q     air q     air q     air q     air q     air q     air q UV   air q UV   air q UV   air q UV   air q UV   air q UV   air q UV   air q UV   air q UV   air q     air q     air q     air q     air q     air q    

Pollens

These pollens are shown (in season):

  • Grass
  • Alder and birch (trees)
  • Mugwort and Ragweed (weeds)

When out walking, wraparound glasses, a disposable or washable facemask, and being at the front of the group, all help.

Other forecasts: Met Office, University of Worcester

UV and Air Quality

The UV forecast takes account of cloud cover.

"Air Q", the European Air Quality index, is a mix of dust/particulates, ozone, sulphur and nitrous oxides

Data

Weather data by Open-Meteo and CAMS ENSEMBLE

Brecon Beacons Visibility

Updated: Mon, 20-Jan at 08:37

06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21
Today 12km 50km 3km 2km 0km 0km 0km 0km 0km 0km 0km 0km 0km 0km
Tue, 21 Jan 0km 0km 0km 0km 0km 0km 0km 1km 1km 2km 0km 0km 0km 0km 0km 0km
Wed, 22 Jan 0km 0km 0km 0km 0km 0km 0km 1km 0km 22km 14km 17km 17km 13km 14km 13km
Thu, 23 Jan 4km 3km 2km 1km 1km 0km 0km 0km 0km 0km 0km 1km 1km 1km 1km 1km
Fri, 24 Jan 4km 3km 2km 0km 12km 23km 34km 32km 29km 26km 21km 16km 12km 11km 9km 8km

Visibility in km. Above 50km is 'good'. Humidity and air pollution make it worse. Theoretical maximum is 300km/200 miles in clean dry polar air.

On the South Downs, at ~ 170m/500ft, the horizon is is ~ 45km/30 miles away. On a mountain at 1,000m/3,000ft, it is ~ 160km/100 miles away. Formula: horizon in km = √ (13 x altitude in m)

Weather data by Open-Meteo

Brecon Beacons daylight

Date Light Dawn Sunrise Max Ht. Sunset Dusk Dark Day Length
Fri, 14-Feb 06:15 06:55 07:30 12:27 17:26 18:01 18:40 11:06
Sat, 15-Feb 06:13 06:53 07:28 12:27 17:28 18:03 18:42 11:10
Sun, 16-Feb 06:12 06:51 07:26 12:27 17:30 18:05 18:44 11:13
Mon, 17-Feb 06:10 06:49 07:24 12:27 17:32 18:06 18:46 11:17
Tue, 18-Feb 06:08 06:47 07:22 12:27 17:33 18:08 18:47 11:20
Wed, 19-Feb 06:06 06:45 07:20 12:27 17:35 18:10 18:49 11:24
Thu, 20-Feb 06:04 06:43 07:18 12:27 17:37 18:12 18:51 11:28
Fri, 21-Feb 06:02 06:41 07:16 12:27 17:39 18:13 18:52 11:32
Sat, 22-Feb 06:00 06:39 07:13 12:27 17:41 18:15 18:54 11:35
Sun, 23-Feb 05:58 06:37 07:11 12:27 17:43 18:17 18:56 11:39
Mon, 24-Feb 05:56 06:35 07:09 12:26 17:44 18:19 18:58 11:43
Tue, 25-Feb 05:54 06:33 07:07 12:26 17:46 18:20 18:59 11:47
Wed, 26-Feb 05:52 06:31 07:05 12:26 17:48 18:22 19:01 11:50
Thu, 27-Feb 05:50 06:29 07:03 12:26 17:50 18:24 19:03 11:54
Fri, 28-Feb 05:48 06:27 07:01 12:26 17:52 18:26 19:05 11:58
Sat, 01-Mar 05:46 06:25 06:59 12:26 17:53 18:27 19:06 12:02
Sun, 02-Mar 05:44 06:23 06:56 12:25 17:55 18:29 19:08 12:06
Mon, 03-Mar 05:42 06:20 06:54 12:25 17:57 18:31 19:10 12:10
Tue, 04-Mar 05:39 06:18 06:52 12:25 17:59 18:33 19:12 12:14
Wed, 05-Mar 05:37 06:16 06:50 12:25 18:01 18:34 19:13 12:18
Thu, 06-Mar 05:35 06:14 06:47 12:24 18:02 18:36 19:15 12:22
Fri, 07-Mar 05:33 06:12 06:45 12:24 18:04 18:38 19:17 12:26
Sat, 08-Mar 05:31 06:09 06:43 12:24 18:06 18:40 19:19 12:30
Sun, 09-Mar 05:28 06:07 06:41 12:24 18:08 18:41 19:20 12:34
Mon, 10-Mar 05:26 06:05 06:38 12:23 18:09 18:43 19:22 12:38
Tue, 11-Mar 05:24 06:03 06:36 12:23 18:11 18:45 19:24 12:41
Wed, 12-Mar 05:21 06:00 06:34 12:23 18:13 18:46 19:26 12:46
Thu, 13-Mar 05:19 05:58 06:32 12:23 18:15 18:48 19:27 12:50
Fri, 14-Mar 05:17 05:56 06:29 12:22 18:16 18:50 19:29 12:54
Sat, 15-Mar 05:14 05:54 06:27 12:22 18:18 18:52 19:31 12:58
Sun, 16-Mar 05:12 05:51 06:25 12:22 18:20 18:53 19:33 13:02
Mon, 17-Mar 05:10 05:49 06:22 12:22 18:22 18:55 19:35 13:06
Tue, 18-Mar 05:07 05:47 06:20 12:21 18:23 18:57 19:37 13:10
Wed, 19-Mar 05:05 05:44 06:18 12:21 18:25 18:59 19:38 13:14
Thu, 20-Mar 05:02 05:42 06:16 12:21 18:27 19:00 19:40 13:18
Fri, 21-Mar 05:00 05:40 06:13 12:20 18:29 19:02 19:42 13:22
Sat, 22-Mar 04:57 05:37 06:11 12:20 18:30 19:04 19:44 13:26
Sun, 23-Mar 04:55 05:35 06:09 12:20 18:32 19:06 19:46 13:30
Mon, 24-Mar 04:53 05:33 06:06 12:19 18:34 19:07 19:48 13:34
Tue, 25-Mar 04:50 05:30 06:04 12:19 18:35 19:09 19:50 13:38
Wed, 26-Mar 04:48 05:28 06:02 12:19 18:37 19:11 19:52 13:43
Thu, 27-Mar 04:45 05:26 05:59 12:19 18:39 19:13 19:53 13:47
Fri, 28-Mar 04:43 05:23 05:57 12:18 18:41 19:15 19:55 13:51
Sat, 29-Mar 04:40 05:21 05:55 12:18 18:42 19:16 19:57 13:55
Sun, 30-Mar 05:38 06:18 06:52 13:18 19:44 20:18 20:59 13:59
Mon, 31-Mar 05:35 06:16 06:50 13:17 19:46 20:20 21:01 14:03
Tue, 01-Apr 05:32 06:14 06:48 13:17 19:47 20:22 21:03 14:07
Wed, 02-Apr 05:30 06:11 06:46 13:17 19:49 20:23 21:05 14:12
Thu, 03-Apr 05:27 06:09 06:43 13:16 19:51 20:25 21:07 14:16
Fri, 04-Apr 05:25 06:07 06:41 13:16 19:52 20:27 21:09 14:20
Sat, 05-Apr 05:22 06:04 06:39 13:16 19:54 20:29 21:11 14:24
Sun, 06-Apr 05:20 06:02 06:36 13:16 19:56 20:31 21:13 14:28
Mon, 07-Apr 05:17 05:59 06:34 13:15 19:58 20:32 21:15 14:32
Tue, 08-Apr 05:14 05:57 06:32 13:15 19:59 20:34 21:17 14:37
Wed, 09-Apr 05:12 05:55 06:30 13:15 20:01 20:36 21:19 14:41
Thu, 10-Apr 05:09 05:52 06:28 13:15 20:03 20:38 21:21 14:45
Fri, 11-Apr 05:07 05:50 06:25 13:14 20:04 20:40 21:23 14:49
Sat, 12-Apr 05:04 05:48 06:23 13:14 20:06 20:42 21:25 14:53
Sun, 13-Apr 05:02 05:45 06:21 13:14 20:08 20:43 21:28 14:58
Mon, 14-Apr 04:59 05:43 06:19 13:13 20:09 20:45 21:30 15:02
Tue, 15-Apr 04:56 05:41 06:16 13:13 20:11 20:47 21:32 15:06
Wed, 16-Apr 04:54 05:38 06:14 13:13 20:13 20:49 21:34 15:10
Thu, 17-Apr 04:51 05:36 06:12 13:13 20:15 20:51 21:36 15:14
Fri, 18-Apr 04:48 05:34 06:10 13:13 20:16 20:53 21:38 15:18
Sat, 19-Apr 04:46 05:31 06:08 13:12 20:18 20:55 21:41 15:23
Sun, 20-Apr 04:43 05:29 06:06 13:12 20:20 20:56 21:43 15:27
Mon, 21-Apr 04:41 05:27 06:04 13:12 20:21 20:58 21:45 15:31
Tue, 22-Apr 04:38 05:25 06:02 13:12 20:23 21:00 21:47 15:35
Wed, 23-Apr 04:35 05:22 06:00 13:12 20:25 21:02 21:49 15:39
Thu, 24-Apr 04:33 05:20 05:57 13:11 20:26 21:04 21:52 15:43
Fri, 25-Apr 04:30 05:18 05:55 13:11 20:28 21:06 21:54 15:47
Sat, 26-Apr 04:28 05:16 05:53 13:11 20:30 21:08 21:56 15:51
Sun, 27-Apr 04:25 05:14 05:51 13:11 20:31 21:10 21:59 15:55
Mon, 28-Apr 04:22 05:11 05:49 13:11 20:33 21:11 22:01 16:00
Tue, 29-Apr 04:20 05:09 05:47 13:11 20:35 21:13 22:03 16:04
Wed, 30-Apr 04:17 05:07 05:46 13:10 20:37 21:15 22:05 16:08
Thu, 01-May 04:15 05:05 05:44 13:10 20:38 21:17 22:08 16:12
Fri, 02-May 04:12 05:03 05:42 13:10 20:40 21:19 22:10 16:16
Sat, 03-May 04:10 05:01 05:40 13:10 20:41 21:21 22:13 16:20
Sun, 04-May 04:07 04:59 05:38 13:10 20:43 21:23 22:15 16:24
Mon, 05-May 04:05 04:57 05:36 13:10 20:45 21:25 22:17 16:27
Tue, 06-May 04:02 04:55 05:34 13:10 20:46 21:26 22:20 16:31
Wed, 07-May 04:00 04:53 05:33 13:10 20:48 21:28 22:22 16:35
Thu, 08-May 03:57 04:51 05:31 13:10 20:50 21:30 22:24 16:39
Fri, 09-May 03:55 04:49 05:29 13:10 20:51 21:32 22:27 16:43
Sat, 10-May 03:52 04:47 05:28 13:10 20:53 21:34 22:29 16:47
Sun, 11-May 03:50 04:45 05:26 13:10 20:54 21:36 22:32 16:50
Mon, 12-May 03:47 04:43 05:24 13:10 20:56 21:38 22:34 16:54
Tue, 13-May 03:45 04:41 05:23 13:10 20:58 21:39 22:36 16:58
Wed, 14-May 03:42 04:39 05:21 13:10 20:59 21:41 22:39 17:01
Thu, 15-May 03:40 04:38 05:20 13:10 21:01 21:43 22:41 17:05
Fri, 16-May 03:38 04:36 05:18 13:10 21:02 21:45 22:44 17:08
Sat, 17-May 03:35 04:34 05:17 13:10 21:04 21:46 22:46 17:12
Sun, 18-May 03:33 04:33 05:15 13:10 21:05 21:48 22:48 17:15
Mon, 19-May 03:31 04:31 05:14 13:10 21:07 21:50 22:51 17:19
Tue, 20-May 03:28 04:29 05:13 13:10 21:08 21:52 22:53 17:22
Wed, 21-May 03:26 04:28 05:11 13:10 21:09 21:53 22:55 17:25
Thu, 22-May 03:24 04:26 05:10 13:10 21:11 21:55 22:58 17:28
Fri, 23-May 03:22 04:25 05:09 13:10 21:12 21:57 23:00 17:31
Sat, 24-May 03:20 04:23 05:08 13:10 21:14 21:58 23:02 17:34
Sun, 25-May 03:18 04:22 05:06 13:10 21:15 22:00 23:05 17:37
Mon, 26-May 03:16 04:21 05:05 13:10 21:16 22:01 23:07 17:40
Tue, 27-May 03:14 04:19 05:04 13:10 21:17 22:03 23:09 17:43
Wed, 28-May 03:12 04:18 05:03 13:11 21:19 22:04 23:11 17:46
Thu, 29-May 03:10 04:17 05:02 13:11 21:20 22:06 23:13 17:48
Fri, 30-May 03:08 04:16 05:01 13:11 21:21 22:07 23:15 17:51
Sat, 31-May 03:06 04:15 05:01 13:11 21:22 22:08 23:18 17:53
Sun, 01-Jun 03:04 04:13 05:00 13:11 21:23 22:10 23:20 17:56
Mon, 02-Jun 03:03 04:13 04:59 13:11 21:24 22:11 23:21 17:58
Tue, 03-Jun 03:01 04:12 04:58 13:12 21:25 22:12 23:23 18:00
Wed, 04-Jun 03:00 04:11 04:58 13:12 21:26 22:13 23:25 18:02
Thu, 05-Jun 02:58 04:10 04:57 13:12 21:27 22:15 23:27 18:04
Fri, 06-Jun 02:57 04:09 04:56 13:12 21:28 22:16 23:29 18:06
Sat, 07-Jun 02:55 04:08 04:56 13:12 21:29 22:17 23:30 18:08
Sun, 08-Jun 02:54 04:08 04:55 13:12 21:30 22:18 23:32 18:09
Mon, 09-Jun 02:53 04:07 04:55 13:13 21:31 22:19 23:33 18:11
Tue, 10-Jun 02:52 04:07 04:54 13:13 21:32 22:20 23:35 18:12
Wed, 11-Jun 02:51 04:06 04:54 13:13 21:32 22:20 23:36 18:14
Thu, 12-Jun 02:50 04:06 04:54 13:13 21:33 22:21 23:37 18:15
Fri, 13-Jun 02:50 04:05 04:54 13:13 21:33 22:22 23:38 18:16
Sat, 14-Jun 02:49 04:05 04:53 13:14 21:34 22:22 23:39 18:17
Sun, 15-Jun 02:48 04:05 04:53 13:14 21:35 22:23 23:40 18:18
Mon, 16-Jun 02:48 04:05 04:53 13:14 21:35 22:24 23:41 18:18
Tue, 17-Jun 02:48 04:05 04:53 13:14 21:35 22:24 23:41 18:19
Wed, 18-Jun 02:47 04:05 04:53 13:15 21:36 22:24 23:42 18:19
Thu, 19-Jun 02:47 04:05 04:53 13:15 21:36 22:25 23:42 18:19
Fri, 20-Jun 02:47 04:05 04:54 13:15 21:36 22:25 23:43 18:20
Sat, 21-Jun 02:48 04:05 04:54 13:15 21:37 22:25 23:43 18:20
Sun, 22-Jun 02:48 04:05 04:54 13:15 21:37 22:25 23:43 18:19
Mon, 23-Jun 02:48 04:06 04:54 13:16 21:37 22:25 23:43 18:19
Tue, 24-Jun 02:49 04:06 04:55 13:16 21:37 22:25 23:43 18:19
Wed, 25-Jun 02:49 04:07 04:55 13:16 21:37 22:25 23:42 18:18
Thu, 26-Jun 02:50 04:07 04:55 13:16 21:37 22:25 23:42 18:18
Fri, 27-Jun 02:51 04:08 04:56 13:16 21:37 22:25 23:41 18:17
Sat, 28-Jun 02:52 04:08 04:57 13:17 21:36 22:25 23:41 18:16
Sun, 29-Jun 02:53 04:09 04:57 13:17 21:36 22:24 23:40 18:15
Mon, 30-Jun 02:54 04:10 04:58 13:17 21:36 22:24 23:39 18:14
Tue, 01-Jul 02:55 04:10 04:58 13:17 21:36 22:24 23:38 18:13
Wed, 02-Jul 02:57 04:11 04:59 13:17 21:35 22:23 23:37 18:11
Thu, 03-Jul 02:58 04:12 05:00 13:18 21:35 22:22 23:36 18:10
Fri, 04-Jul 03:00 04:13 05:01 13:18 21:34 22:22 23:35 18:08
Sat, 05-Jul 03:01 04:14 05:02 13:18 21:34 22:21 23:34 18:06
Sun, 06-Jul 03:03 04:15 05:02 13:18 21:33 22:20 23:32 18:05
Mon, 07-Jul 03:04 04:16 05:03 13:18 21:33 22:20 23:31 18:03
Tue, 08-Jul 03:06 04:17 05:04 13:18 21:32 22:19 23:29 18:01
Wed, 09-Jul 03:08 04:19 05:05 13:19 21:31 22:18 23:28 17:59
Thu, 10-Jul 03:10 04:20 05:06 13:19 21:30 22:17 23:26 17:56
Fri, 11-Jul 03:12 04:21 05:07 13:19 21:30 22:16 23:24 17:54
Sat, 12-Jul 03:14 04:23 05:09 13:19 21:29 22:15 23:22 17:52
Sun, 13-Jul 03:16 04:24 05:10 13:19 21:28 22:13 23:21 17:49
Mon, 14-Jul 03:18 04:25 05:11 13:19 21:27 22:12 23:19 17:46
Tue, 15-Jul 03:20 04:27 05:12 13:19 21:26 22:11 23:17 17:44
Wed, 16-Jul 03:22 04:28 05:13 13:19 21:25 22:10 23:15 17:41
Thu, 17-Jul 03:25 04:30 05:15 13:20 21:24 22:08 23:13 17:38
Fri, 18-Jul 03:27 04:31 05:16 13:20 21:23 22:07 23:11 17:35
Sat, 19-Jul 03:29 04:33 05:17 13:20 21:21 22:05 23:09 17:32
Sun, 20-Jul 03:31 04:34 05:18 13:20 21:20 22:04 23:06 17:29
Mon, 21-Jul 03:34 04:36 05:20 13:20 21:19 22:02 23:04 17:26
Tue, 22-Jul 03:36 04:38 05:21 13:20 21:18 22:01 23:02 17:23
Wed, 23-Jul 03:38 04:39 05:23 13:20 21:16 21:59 23:00 17:20
Thu, 24-Jul 03:40 04:41 05:24 13:20 21:15 21:58 22:57 17:16
Fri, 25-Jul 03:43 04:43 05:25 13:20 21:13 21:56 22:55 17:13
Sat, 26-Jul 03:45 04:44 05:27 13:20 21:12 21:54 22:53 17:10
Sun, 27-Jul 03:47 04:46 05:28 13:20 21:10 21:52 22:50 17:06
Mon, 28-Jul 03:50 04:48 05:30 13:20 21:09 21:51 22:48 17:03
Tue, 29-Jul 03:52 04:49 05:31 13:20 21:07 21:49 22:46 16:59
Wed, 30-Jul 03:54 04:51 05:33 13:20 21:06 21:47 22:43 16:55
Thu, 31-Jul 03:57 04:53 05:34 13:20 21:04 21:45 22:41 16:52
Fri, 01-Aug 03:59 04:55 05:36 13:20 21:02 21:43 22:38 16:48
Sat, 02-Aug 04:01 04:56 05:37 13:20 21:01 21:41 22:36 16:44
Sun, 03-Aug 04:04 04:58 05:39 13:19 20:59 21:39 22:33 16:41
Mon, 04-Aug 04:06 05:00 05:40 13:19 20:57 21:37 22:31 16:37
Tue, 05-Aug 04:08 05:02 05:42 13:19 20:55 21:35 22:28 16:33
Wed, 06-Aug 04:11 05:04 05:44 13:19 20:54 21:33 22:26 16:29
Thu, 07-Aug 04:13 05:05 05:45 13:19 20:52 21:31 22:23 16:25
Fri, 08-Aug 04:15 05:07 05:47 13:19 20:50 21:29 22:21 16:21
Sat, 09-Aug 04:18 05:09 05:48 13:19 20:48 21:27 22:18 16:18
Sun, 10-Aug 04:20 05:11 05:50 13:19 20:46 21:25 22:15 16:14
Mon, 11-Aug 04:22 05:13 05:52 13:18 20:44 21:23 22:13 16:10
Tue, 12-Aug 04:24 05:15 05:53 13:18 20:42 21:21 22:10 16:06

Notes

  • Max Height (solar noon) is when the sun is highest in the sky.
  • Day length is dawn to dusk as there is enough light for walking for at least 30 minutes before sunrise and after sunset, even on an overcast day.
  • At 'Light' (nautical dawn) the horizon becomes visible. At 'Dawn' (civil dawn) there is enough light to read, and drivers can switch their lights off. Finally the sun rises.
  • After sunset, there is still enough light to read until 'Dusk' (civil dusk) or lighting up time for drivers. The horizon is still visible until 'Dark' (nautical dusk).
  • Times will vary if there is a hill on the horizon.

Brecon Beacons moonlight

Moonlight chart for walking at night.

Night of Sunset Dusk Moon Visible Dawn Sunrise Phase % Full Max. Ht. Night Walk
Fri, 14-Feb 17:26 18:01 19:46 dawn 06:53 07:28 94 % 02:15 before dawn
Sat, 15-Feb 17:28 18:03 20:58 dawn 06:51 07:26 89 % 02:54 before dawn
Sun, 16-Feb 17:30 18:05 22:09 dawn 06:49 07:24 83 % 03:34 before dawn
Mon, 17-Feb 17:32 18:06 23:21 dawn 06:47 07:22 75 % 04:15
Tue, 18-Feb 17:33 18:08 00:34 dawn 06:45 07:20 66 % 04:57
Wed, 19-Feb 17:35 18:10 01:49 dawn 06:43 07:18 57 % 05:43
Thu, 20-Feb 17:37 18:12 03:03 dawn 06:41 07:16 48 % 06:33
Fri, 21-Feb 17:39 18:13 04:13 dawn 06:39 07:13 38 % 07:26
Sat, 22-Feb 17:41 18:15 05:12 dawn 06:37 07:11 28 % 08:22
Sun, 23-Feb 17:43 18:17 05:57 dawn 06:35 07:09 20 % 09:19
Mon, 24-Feb 17:44 18:19 06:29 dawn 06:33 07:07 12 % 10:15
Tue, 25-Feb 17:46 18:20 06:31 07:05 6 % 11:10
Wed, 26-Feb 17:48 18:22 06:29 07:03 2 %
Thu, 27-Feb 17:50 18:24 06:27 07:01 0 % 12:02
Fri, 28-Feb 17:52 18:26 dusk 18:42 06:25 06:59 1 % 12:53
Sat, 01-Mar 17:53 18:27 dusk 20:12 06:23 06:56 6 % 13:43
Sun, 02-Mar 17:55 18:29 dusk 21:43 06:20 06:54 12 % 14:33
Mon, 03-Mar 17:57 18:31 dusk 23:15 06:18 06:52 21 % 15:25
Tue, 04-Mar 17:59 18:33 dusk 00:47 06:16 06:50 31 % 16:20
Wed, 05-Mar 18:01 18:34 dusk 02:16 06:14 06:47 42 % 17:17
Thu, 06-Mar 18:02 18:36 dusk 03:33 06:12 06:45 54 % 18:17
Fri, 07-Mar 18:04 18:38 dusk 04:33 06:09 06:43 64 % 19:17
Sat, 08-Mar 18:06 18:40 dusk 05:14 06:07 06:41 74 % 20:16
Sun, 09-Mar 18:08 18:41 dusk 05:42 06:05 06:38 83 % 21:11 after dusk
Mon, 10-Mar 18:09 18:43 dusk 06:01 06:03 06:36 90 % 22:01 after dusk
Tue, 11-Mar 18:11 18:45 dusk dawn 06:00 06:34 95 % 22:48 all night
Wed, 12-Mar 18:13 18:46 dusk dawn 05:58 06:32 98 % 23:31 all night
Thu, 13-Mar 18:15 18:48 dusk dawn 05:56 06:29 100 % 00:12 all night
Fri, 14-Mar 18:16 18:50 dusk dawn 05:54 06:27 100 % 00:52 all night
Sat, 15-Mar 18:18 18:52 19:55 dawn 05:51 06:25 97 % 01:31 before dawn
Sun, 16-Mar 18:20 18:53 21:06 dawn 05:49 06:22 93 % 02:11 before dawn
Mon, 17-Mar 18:22 18:55 22:19 dawn 05:47 06:20 88 % 02:53 before dawn
Tue, 18-Mar 18:23 18:57 23:33 dawn 05:44 06:18 81 % 03:38 before dawn
Wed, 19-Mar 18:25 18:59 00:48 dawn 05:42 06:16 73 % 04:26
Thu, 20-Mar 18:27 19:00 01:59 dawn 05:40 06:13 64 % 05:17
Fri, 21-Mar 18:29 19:02 03:02 dawn 05:37 06:11 55 % 06:10
Sat, 22-Mar 18:30 19:04 03:51 dawn 05:35 06:09 45 % 07:05
Sun, 23-Mar 18:32 19:06 04:27 dawn 05:33 06:06 35 % 08:00
Mon, 24-Mar 18:34 19:07 04:53 dawn 05:30 06:04 25 % 08:55
Tue, 25-Mar 18:35 19:09 05:12 dawn 05:28 06:02 16 % 09:47
Wed, 26-Mar 18:37 19:11 05:26 05:59 9 % 10:38
Thu, 27-Mar 18:39 19:13 05:23 05:57 3 % 11:28
Fri, 28-Mar 18:41 19:15 05:21 05:55 0 %
Sat, 29-Mar 18:42 19:16 06:18 06:52 0 % 12:19
Sun, 30-Mar 19:44 20:18 dusk 21:43 06:16 06:50 3 % 14:12
Mon, 31-Mar 19:46 20:20 dusk 23:19 06:14 06:48 9 % 15:07
Tue, 01-Apr 19:47 20:22 dusk 00:54 06:11 06:46 17 % 16:05
Wed, 02-Apr 19:49 20:23 dusk 02:19 06:09 06:43 27 % 17:07
Thu, 03-Apr 19:51 20:25 dusk 03:28 06:07 06:41 38 % 18:09
Fri, 04-Apr 19:52 20:27 dusk 04:16 06:04 06:39 49 % 19:10
Sat, 05-Apr 19:54 20:29 dusk 04:47 06:02 06:36 59 % 20:07
Sun, 06-Apr 19:56 20:31 dusk 05:09 05:59 06:34 69 % 20:59
Mon, 07-Apr 19:58 20:32 dusk 05:24 05:57 06:32 78 % 21:47 after dusk
Tue, 08-Apr 19:59 20:34 dusk 05:36 05:55 06:30 86 % 22:30 after dusk
Wed, 09-Apr 20:01 20:36 dusk 05:45 05:52 06:28 92 % 23:12 after dusk
Thu, 10-Apr 20:03 20:38 dusk dawn 05:50 06:25 96 % 23:51 all night
Fri, 11-Apr 20:04 20:40 dusk dawn 05:48 06:23 99 % 00:30 all night
Sat, 12-Apr 20:06 20:42 dusk dawn 05:45 06:21 100 % 01:10 all night
Sun, 13-Apr 20:08 20:43 21:06 dawn 05:43 06:19 99 % 01:51 before dawn
Mon, 14-Apr 20:09 20:45 22:20 dawn 05:41 06:16 97 % 02:35 before dawn
Tue, 15-Apr 20:11 20:47 23:35 dawn 05:38 06:14 92 % 03:22 before dawn
Wed, 16-Apr 20:13 20:49 00:47 dawn 05:36 06:12 87 % 04:11 before dawn
Thu, 17-Apr 20:15 20:51 01:53 dawn 05:34 06:10 79 % 05:04 before dawn
Fri, 18-Apr 20:16 20:53 02:46 dawn 05:31 06:08 71 % 05:57
Sat, 19-Apr 20:18 20:55 03:26 dawn 05:29 06:06 61 % 06:51
Sun, 20-Apr 20:20 20:56 03:55 dawn 05:27 06:04 51 % 07:44
Mon, 21-Apr 20:21 20:58 04:16 dawn 05:25 06:02 41 % 08:36
Tue, 22-Apr 20:23 21:00 04:31 dawn 05:22 06:00 30 % 09:26
Wed, 23-Apr 20:25 21:02 04:44 dawn 05:20 05:57 20 % 10:15
Thu, 24-Apr 20:26 21:04 04:56 dawn 05:18 05:55 12 % 11:04
Fri, 25-Apr 20:28 21:06 05:09 dawn 05:16 05:53 5 % 11:55
Sat, 26-Apr 20:30 21:08 05:14 05:51 1 %
Sun, 27-Apr 20:31 21:10 05:11 05:49 0 % 12:49
Mon, 28-Apr 20:33 21:11 dusk 22:17 05:09 05:47 2 % 13:47
Tue, 29-Apr 20:35 21:13 dusk 23:51 05:07 05:46 7 % 14:49
Wed, 30-Apr 20:37 21:15 dusk 01:11 05:05 05:44 14 % 15:53
Thu, 01-May 20:38 21:17 dusk 02:09 05:03 05:42 23 % 16:57
Fri, 02-May 20:40 21:19 dusk 02:48 05:01 05:40 33 % 17:58
Sat, 03-May 20:41 21:21 dusk 03:13 04:59 05:38 44 % 18:53
Sun, 04-May 20:43 21:23 dusk 03:31 04:57 05:36 54 % 19:43
Mon, 05-May 20:45 21:25 dusk 03:44 04:55 05:34 64 % 20:29
Tue, 06-May 20:46 21:26 dusk 03:54 04:53 05:33 73 % 21:11
Wed, 07-May 20:48 21:28 dusk 04:03 04:51 05:31 81 % 21:51 after dusk
Thu, 08-May 20:50 21:30 dusk 04:12 04:49 05:29 88 % 22:30 after dusk
Fri, 09-May 20:51 21:32 dusk 04:22 04:47 05:28 93 % 23:09 after dusk
Sat, 10-May 20:53 21:34 dusk 04:33 04:45 05:26 97 % 23:50 after dusk
Sun, 11-May 20:54 21:36 dusk dawn 04:43 05:24 99 % 00:33 all night
Mon, 12-May 20:56 21:38 dusk dawn 04:41 05:23 100 % 01:19 all night
Tue, 13-May 20:58 21:39 22:37 dawn 04:39 05:21 98 % 02:08 before dawn
Wed, 14-May 20:59 21:41 23:45 dawn 04:38 05:20 95 % 03:00 before dawn
Thu, 15-May 21:01 21:43 00:42 dawn 04:36 05:18 90 % 03:53 before dawn
Fri, 16-May 21:02 21:45 01:26 dawn 04:34 05:17 84 % 04:47 before dawn
Sat, 17-May 21:04 21:46 01:58 dawn 04:33 05:15 76 % 05:40 before dawn
Sun, 18-May 21:05 21:48 02:20 dawn 04:31 05:14 66 % 06:30
Mon, 19-May 21:07 21:50 02:37 dawn 04:29 05:13 56 % 07:19
Tue, 20-May 21:08 21:52 02:50 dawn 04:28 05:11 45 % 08:07
Wed, 21-May 21:09 21:53 03:02 dawn 04:26 05:10 34 % 08:54
Thu, 22-May 21:11 21:55 03:14 dawn 04:25 05:09 24 % 09:42
Fri, 23-May 21:12 21:57 03:27 dawn 04:23 05:08 14 % 10:33
Sat, 24-May 21:14 21:58 03:43 dawn 04:22 05:06 7 % 11:28
Sun, 25-May 21:15 22:00 04:21 05:05 2 %
Mon, 26-May 21:16 22:01 04:19 05:04 0 % 12:27
Tue, 27-May 21:17 22:03 dusk 22:43 04:18 05:03 1 % 13:31
Wed, 28-May 21:19 22:04 dusk 23:54 04:17 05:02 5 % 14:37
Thu, 29-May 21:20 22:06 dusk 00:42 04:16 05:01 11 % 15:41
Fri, 30-May 21:21 22:07 dusk 01:14 04:15 05:01 19 % 16:41
Sat, 31-May 21:22 22:08 dusk 01:35 04:13 05:00 28 % 17:35
Sun, 01-Jun 21:23 22:10 dusk 01:50 04:13 04:59 38 % 18:24
Mon, 02-Jun 21:24 22:11 dusk 02:02 04:12 04:58 48 % 19:08
Tue, 03-Jun 21:25 22:12 dusk 02:11 04:11 04:58 58 % 19:49
Wed, 04-Jun 21:26 22:13 dusk 02:21 04:10 04:57 67 % 20:29
Thu, 05-Jun 21:27 22:15 dusk 02:30 04:09 04:56 76 % 21:08 after dusk
Fri, 06-Jun 21:28 22:16 dusk 02:41 04:08 04:56 83 % 21:48 after dusk
Sat, 07-Jun 21:29 22:17 dusk 02:54 04:08 04:55 90 % 22:30 after dusk
Sun, 08-Jun 21:30 22:18 dusk 03:12 04:07 04:55 95 % 23:15 after dusk
Mon, 09-Jun 21:31 22:19 dusk 03:36 04:07 04:54 98 % 00:04 after dusk
Tue, 10-Jun 21:32 22:20 dusk dawn 04:06 04:54 100 % 00:55 all night
Wed, 11-Jun 21:32 22:20 22:37 dawn 04:06 04:54 99 % 01:48 before dawn
Thu, 12-Jun 21:33 22:21 23:25 dawn 04:05 04:54 97 % 02:43 before dawn
Fri, 13-Jun 21:33 22:22 00:00 dawn 04:05 04:53 93 % 03:36 before dawn
Sat, 14-Jun 21:34 22:22 00:25 dawn 04:05 04:53 87 % 04:28 before dawn
Sun, 15-Jun 21:35 22:23 00:43 dawn 04:05 04:53 79 % 05:17 before dawn
Mon, 16-Jun 21:35 22:24 00:57 dawn 04:05 04:53 70 % 06:04
Tue, 17-Jun 21:35 22:24 01:09 dawn 04:05 04:53 60 % 06:50
Wed, 18-Jun 21:36 22:24 01:21 dawn 04:05 04:53 48 % 07:37
Thu, 19-Jun 21:36 22:25 01:32 dawn 04:05 04:54 37 % 08:25
Fri, 20-Jun 21:36 22:25 01:46 dawn 04:05 04:54 26 % 09:16
Sat, 21-Jun 21:37 22:25 02:04 dawn 04:05 04:54 17 % 10:12
Sun, 22-Jun 21:37 22:25 02:30 dawn 04:06 04:54 9 % 11:12
Mon, 23-Jun 21:37 22:25 04:06 04:55 3 %
Tue, 24-Jun 21:37 22:25 04:04 dawn 04:07 04:55 1 % 12:16
Wed, 25-Jun 21:37 22:25 dusk 22:32 04:07 04:55 1 % 13:21
Thu, 26-Jun 21:37 22:25 dusk 23:11 04:08 04:56 3 % 14:24
Fri, 27-Jun 21:37 22:25 dusk 23:37 04:08 04:57 8 % 15:22
Sat, 28-Jun 21:36 22:25 dusk 23:54 04:09 04:57 15 % 16:14
Sun, 29-Jun 21:36 22:24 dusk 00:07 04:10 04:58 23 % 17:01
Mon, 30-Jun 21:36 22:24 dusk 00:18 04:10 04:58 32 % 17:44
Tue, 01-Jul 21:36 22:24 dusk 00:28 04:11 04:59 42 % 18:25
Wed, 02-Jul 21:35 22:23 dusk 00:37 04:12 05:00 52 % 19:05
Thu, 03-Jul 21:35 22:22 dusk 00:47 04:13 05:01 61 % 19:45
Fri, 04-Jul 21:34 22:22 dusk 01:00 04:14 05:02 70 % 20:27
Sat, 05-Jul 21:34 22:21 dusk 01:15 04:15 05:02 78 % 21:10 after dusk
Sun, 06-Jul 21:33 22:20 dusk 01:37 04:16 05:03 85 % 21:57 after dusk
Mon, 07-Jul 21:33 22:20 dusk 02:08 04:17 05:04 92 % 22:48 after dusk
Tue, 08-Jul 21:32 22:19 dusk 02:52 04:19 05:05 96 % 23:41 after dusk
Wed, 09-Jul 21:31 22:18 dusk 03:52 04:20 05:06 99 % 00:35 after dusk
Thu, 10-Jul 21:30 22:17 dusk dawn 04:21 05:07 100 % 01:30 all night
Fri, 11-Jul 21:30 22:16 22:29 dawn 04:23 05:09 99 % 02:23 before dawn
Sat, 12-Jul 21:29 22:15 22:49 dawn 04:24 05:10 95 % 03:14 before dawn
Sun, 13-Jul 21:28 22:13 23:05 dawn 04:25 05:11 90 % 04:02 before dawn
Mon, 14-Jul 21:27 22:12 23:17 dawn 04:27 05:12 82 % 04:49 before dawn
Tue, 15-Jul 21:26 22:11 23:29 dawn 04:28 05:13 73 % 05:35
Wed, 16-Jul 21:25 22:10 23:40 dawn 04:30 05:15 62 % 06:22
Thu, 17-Jul 21:24 22:08 23:53 dawn 04:31 05:16 51 % 07:11
Fri, 18-Jul 21:23 22:07 00:09 dawn 04:33 05:17 39 % 08:04
Sat, 19-Jul 21:21 22:05 00:30 dawn 04:34 05:18 29 % 09:01
Sun, 20-Jul 21:20 22:04 01:02 dawn 04:36 05:20 19 % 10:02
Mon, 21-Jul 21:19 22:02 01:49 dawn 04:38 05:21 11 % 11:05
Tue, 22-Jul 21:18 22:01 04:39 05:23 5 %
Wed, 23-Jul 21:16 21:59 04:17 dawn 04:41 05:24 1 % 12:08
Thu, 24-Jul 21:15 21:58 04:43 05:25 0 % 13:07
Fri, 25-Jul 21:13 21:56 dusk 21:58 04:44 05:27 2 % 14:02
Sat, 26-Jul 21:12 21:54 dusk 22:13 04:46 05:28 5 % 14:52
Sun, 27-Jul 21:10 21:52 dusk 22:25 04:48 05:30 11 % 15:37
Mon, 28-Jul 21:09 21:51 dusk 22:35 04:49 05:31 18 % 16:19
Tue, 29-Jul 21:07 21:49 dusk 22:44 04:51 05:33 26 % 17:00
Wed, 30-Jul 21:06 21:47 dusk 22:54 04:53 05:34 35 % 17:40
Thu, 31-Jul 21:04 21:45 dusk 23:05 04:55 05:36 45 % 18:22
Fri, 01-Aug 21:02 21:43 dusk 23:19 04:56 05:37 54 % 19:05
Sat, 02-Aug 21:01 21:41 dusk 23:38 04:58 05:39 64 % 19:50
Sun, 03-Aug 20:59 21:39 dusk 00:05 05:00 05:40 72 % 20:39
Mon, 04-Aug 20:57 21:37 dusk 00:43 05:02 05:42 81 % 21:31 after dusk
Tue, 05-Aug 20:55 21:35 dusk 01:37 05:04 05:44 88 % 22:25 after dusk
Wed, 06-Aug 20:54 21:33 dusk 02:45 05:05 05:45 94 % 23:20 after dusk
Thu, 07-Aug 20:52 21:31 dusk 04:05 05:07 05:47 98 % 00:14 after dusk
Fri, 08-Aug 20:50 21:29 dusk dawn 05:09 05:48 100 % 01:06 all night
Sat, 09-Aug 20:48 21:27 dusk dawn 05:11 05:50 99 % 01:56 all night
Sun, 10-Aug 20:46 21:25 dusk dawn 05:13 05:52 97 % 02:45 all night
Mon, 11-Aug 20:44 21:23 21:37 dawn 05:15 05:53 92 % 03:32 before dawn
Tue, 12-Aug 20:42 21:21 21:48 dawn 05:16 05:55 84 % 04:19 before dawn

Notes

  • The percentage of the moon which is illuminated doesn't vary much with location.
  • A full moon is not just bigger, it is much brighter. A quarter moon (1/2 disk visible) give less than 5% of the illumination of a full moon. You can walk with a quarter moon if its high in the sky (after dusk for a growing moon, before dawn for a shrinking moon).
  • Sky glow (light reflected by air or clouds) from nearby cities, and especially snow on the ground also effect light levels.
  • Times will vary a few minutes, as (i) these figures are for the centre of the county the walk is in, (ii) if there are hills on the horizon, and (iii) if you are on a hill
  • Sunlight is ~ 1,000,000 times brighter than moonlight.
  • Of course, you need a cloudless night as well!

Brecon Beacons weather (Accuweather)

Now would be a good time for a cup of tea.