Box Hill Circular via Mickleham Walk

A fairly strenuous walk in a beautiful part of the North Downs.

Hiking weather forecast

Surrey hourly weather (Visual Crossing)

Sunset: 20:45. Dusk: 21:26. Dark: 22:22. Moon 95% (23:28 to dawn)

Updated: Wed, 14-May at 08:39

06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21
Today 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Thu, 15 May 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Fri, 16 May 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Sat, 17 May 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Sun, 18 May 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Mon, 19 May 0% 0% 0% 0% 0% 0% 0% 0% 10% 10% 10% 10% 10% 10% 3% 3%
Tue, 20 May 0% 0% 0% 0% 0% 0% 0% 0% 10% 10% 10% 10% 10% 10% 3% 3%
Wed, 21 May 3% 3% 7% 7% 7% 7% 7% 7% 13% 13% 13% 13% 13% 13% 10% 10%
Thu, 22 May 3% 3% 7% 7% 7% 7% 7% 7% 16% 16% 16% 16% 16% 16% 7% 7%
Fri, 23 May 7% 7% 19% 19% 19% 19% 19% 19% 32% 32% 32% 32% 32% 32% 16% 16%
Sat, 24 May 19% 19% 23% 23% 23% 23% 23% 23% 45% 45% 45% 45% 45% 45% 3% 3%
Sun, 25 May 13% 13% 19% 19% 19% 19% 19% 19% 39% 39% 39% 39% 39% 39% 10% 10%
Mon, 26 May 10% 10% 23% 23% 23% 23% 23% 23% 36% 36% 36% 36% 36% 36% 13% 13%
Tue, 27 May 7% 7% 19% 19% 19% 19% 19% 19% 52% 52% 52% 52% 52% 52% 19% 19%
Wed, 28 May 23% 23% 32% 32% 32% 32% 32% 32% 55% 55% 55% 55% 55% 55% 19% 19%

Percentages are the chance of rain.

Weather data by Visual Crossing

Surrey hourly weather (Open Meteo)

Sunset: 20:45. Dusk: 21:26. Dark: 22:22. Moon 95% (23:28 to dawn)

Updated: Wed, 14-May at 08:36

06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21
Today 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Thu, 15 May 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Fri, 16 May 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Sat, 17 May 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Sun, 18 May 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 1%
Mon, 19 May 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Tue, 20 May 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Wed, 21 May 1% 2% 2% 2% 2% 3% 3% 3% 1% 2% 3% 4% 6% 6% 4% 2%
Thu, 22 May 0% 0% 0% 0% 0% 3% 7% 10% 11% 12% 13% 17% 23% 26% 25% 22%
Fri, 23 May 14% 13% 12% 12% 13% 17% 22% 26% 26% 25% 26% 32% 40% 45% 45% 42%
Sat, 24 May 27% 29% 34% 40% 47% 54% 60% 65% 66% 65% 63% 60% 57% 52% 46% 39%
Sun, 25 May 17% 19% 20% 22% 23% 24% 25% 26% 25% 24% 23% 22% 20% 19% 18% 17%
Mon, 26 May 10% 10% 11% 12% 14% 16% 17% 19% 21% 23% 25% 27% 28% 29% 28% 27%
Tue, 27 May 16% 16% 16% 17% 18% 19% 21% 23% 27% 31% 35% 39% 42% 42% 38% 32%
Wed, 28 May 2% 3% 3% 4% 5% 6% 8% 10% 13% 16% 19% 22% 25% 26% 25% 22%
Thu, 29 May 5% 6% 8% 12% 16% 20% 25% 29% 33% 36% 39% 42% 44% 45% 45% 44%

Percentages are the chance of rain.

Weather data by Open-Meteo

Surrey hourly weather (Met Office)

Sunset: 20:45. Dusk: 21:26. Dark: 22:22. Moon 95% (23:28 to dawn)

Updated: Wed, 14-May at 06:00

06 09 12 15 18 21
Today 0% 0% 0% 0% 0%
Thu, 15 May 8% 1% 0% 0% 0% 0%
Fri, 16 May 0% 0% 0% 0% 0% 0%
Sat, 17 May 7% 2% 0% 0% 0% 0%
Sun, 18 May 4% 1% 0% 2% 1% 0%
Mon, 19 May 9% 0% 6% 2% 1% 0%
Tue, 20 May 2% 1% 1% 1% 1% 0%

Percentages are the chance of rain.

Weather data by Met Office

Regional weather (Met Office)

Sunset: 20:45. Dusk: 21:26. Dark: 22:22. Moon 95% (23:28 to dawn)

Updated: Wed, 14-May at 08:38

South East England

Dry with plenty of warm sunshine. Cooler on coasts.

  • A fine and dry day, with plenty of sunshine
  • It will feel rather warm inland, but noticeably cooler along coastal districts, with an onshore breeze
  • Maximum Temperature 25C

Tonight:

  • Staying dry with clear spells at first
  • Low cloud and patchy mist developing along North Sea coasts will gradually spread inland overnight
  • Cooler than previous night away from coasts
  • Breezy
  • Minimum Temperature 6C

Thursday:

  • Early low cloud and mist will soon retreat to the coasts, where it may linger in places
  • Otherwise, fine and dry with warm sunny spells
  • Rather cool on coasts
  • Breezy
  • Maximum Temperature 22C

Outlook for Friday to Sunday:

  • Staying dry and settled, with sunny spells throughout
  • Some low cloud along coasts at times
  • Temperatures above average, but noticeably cooler along coasts, with an onshore breeze

UK Day 6-7 and week 2

  • Mostly dry and largely sunny conditions are expected to continue for the vast majority over the next several days as a slow-moving area of high pressure remains dominant
  • It will continue to be warm or very warm for many, especially in the west, but it will be remain cooler in the east, especially along coasts, with some coastal areas seeing persistent low cloud at times, accompanied by a brisk breeze off the North Sea
  • There is an increasing chance that conditions will turn more unsettled from late next week though, as areas of rain and strengthening winds threaten from the west and/or south (the latter bringing a risk of thunderstorms)
  • This would most likely to be accompanied by temperatures dropping nearer to average for the time of year

UK Week 3 and 4

  • The start of the period may see some more in the way of rain and showers across much of the UK, especially western parts
  • Fine and dry weather is more likely to prevail towards the south and east though and may start to develop more widely, but occasional spells of rain and showers are still possible, with the potential for thunderstorms on some days
  • Overall, temperatures will most likely be around or above normal for the time of year

Weather data by Met Office

Surrey Air Quality (Pollen and UV)

Updated: Wed, 14-May at 08:36

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 UV birch grass air q UV birch grass air q UV birch grass air q UV birch grass air q UV birch grass air q UV birch grass air q UV birch grass air q UV birch grass air q UV birch grass air q UV birch grass air q UV birch grass air q UV birch grass air q UV birch grass air q   birch grass air q   birch grass air q   birch grass
Thu, 15 May air q   birch grass air q     grass air q     grass air q     grass air q     grass air q     grass air q UV     air q UV   grass air q UV   grass air q UV   grass air q UV   grass air q UV   grass air q UV   grass air q UV   grass air q UV   grass air q UV   grass air q UV   grass air q UV birch grass air q UV birch grass air q UV birch grass air q UV birch grass air q   birch grass air q   birch grass air q   birch grass
Fri, 16 May air q   birch grass air q   birch grass air q   birch grass air q   birch grass air q   birch grass air q   birch   air q UV birch   air q UV birch   air q UV birch grass air q UV birch grass air q UV birch grass air q UV birch grass air q UV birch grass air q UV birch grass air q UV birch grass air q UV birch grass air q UV birch grass air q UV birch grass air q UV   grass air q UV   grass air q UV   grass air q     grass air q     grass air q     grass
Sat, 17 May air q     grass air q   birch grass 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 UV     air q UV     air q UV     air q UV     air q UV     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

Surrey Visibility

Updated: Wed, 14-May at 08:36

06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21
Today 43km 46km 56km 67km 73km 75km 76km 76km 77km 78km 76km 76km 75km 74km
Thu, 15 May 23km 22km 29km 39km 50km 56km 59km 64km 67km 69km 72km 67km 66km 68km 67km 60km
Fri, 16 May 11km 4km 24km 36km 49km 60km 63km 74km 76km 76km 78km 77km 76km 75km 76km 74km
Sat, 17 May 33km 29km 35km 42km 48km 56km 64km 71km 73km 74km 76km 76km 76km 76km 73km 70km
Sun, 18 May 17km 22km 31km 40km 49km 56km 63km 70km 72km 74km 75km 75km 75km 76km 73km 70km

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

Surrey daylight

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

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.

Surrey moonlight

Moonlight chart for walking at night.

Night of Sunset Dusk Moon Visible Dawn Sunrise Phase % Full Max. Ht. Night Walk
Wed, 14-May 20:45 21:26 23:28 dawn 04:29 05:10 95 % 02:48 before dawn
Thu, 15-May 20:47 21:28 00:26 dawn 04:28 05:09 90 % 03:41 before dawn
Fri, 16-May 20:48 21:30 01:10 dawn 04:26 05:08 84 % 04:35 before dawn
Sat, 17-May 20:50 21:32 01:42 dawn 04:24 05:06 76 % 05:28 before dawn
Sun, 18-May 20:51 21:33 02:06 dawn 04:23 05:05 66 % 06:18
Mon, 19-May 20:53 21:35 02:23 dawn 04:21 05:04 56 % 07:07
Tue, 20-May 20:54 21:37 02:38 dawn 04:20 05:02 45 % 07:55
Wed, 21-May 20:55 21:38 02:50 dawn 04:18 05:01 34 % 08:42
Thu, 22-May 20:57 21:40 03:03 dawn 04:17 05:00 24 % 09:30
Fri, 23-May 20:58 21:41 03:16 dawn 04:15 04:59 14 % 10:21
Sat, 24-May 20:59 21:43 03:33 dawn 04:14 04:58 7 % 11:16
Sun, 25-May 21:01 21:44 04:13 04:57 2 %
Mon, 26-May 21:02 21:46 04:12 04:56 0 % 12:15
Tue, 27-May 21:03 21:47 dusk 22:27 04:10 04:55 1 % 13:19
Wed, 28-May 21:04 21:49 dusk 23:37 04:09 04:54 5 % 14:25
Thu, 29-May 21:06 21:50 dusk 00:27 04:08 04:53 11 % 15:29
Fri, 30-May 21:07 21:52 dusk 00:59 04:07 04:52 19 % 16:29
Sat, 31-May 21:08 21:53 dusk 01:21 04:06 04:51 28 % 17:23
Sun, 01-Jun 21:09 21:54 dusk 01:37 04:05 04:50 38 % 18:12
Mon, 02-Jun 21:10 21:55 dusk 01:49 04:04 04:50 48 % 18:56
Tue, 03-Jun 21:11 21:57 dusk 02:00 04:03 04:49 58 % 19:37
Wed, 04-Jun 21:12 21:58 dusk 02:09 04:03 04:48 67 % 20:17
Thu, 05-Jun 21:13 21:59 dusk 02:19 04:02 04:48 76 % 20:56 after dusk
Fri, 06-Jun 21:14 22:00 dusk 02:31 04:01 04:47 83 % 21:37 after dusk
Sat, 07-Jun 21:15 22:01 dusk 02:45 04:00 04:47 90 % 22:19 after dusk
Sun, 08-Jun 21:15 22:02 dusk 03:03 04:00 04:46 95 % 23:03 after dusk
Mon, 09-Jun 21:16 22:03 dusk 03:28 03:59 04:46 98 % 23:52 after dusk
Tue, 10-Jun 21:17 22:04 dusk dawn 03:59 04:46 100 % 00:43 all night
Wed, 11-Jun 21:18 22:04 22:20 dawn 03:59 04:45 99 % 01:36 before dawn
Thu, 12-Jun 21:18 22:05 23:09 dawn 03:58 04:45 97 % 02:31 before dawn
Fri, 13-Jun 21:19 22:06 23:45 dawn 03:58 04:45 93 % 03:24 before dawn
Sat, 14-Jun 21:19 22:06 00:10 dawn 03:58 04:45 87 % 04:16 before dawn
Sun, 15-Jun 21:20 22:07 00:29 dawn 03:58 04:45 79 % 05:05 before dawn
Mon, 16-Jun 21:20 22:08 00:44 dawn 03:58 04:45 70 % 05:52
Tue, 17-Jun 21:21 22:08 00:57 dawn 03:58 04:45 60 % 06:38
Wed, 18-Jun 21:21 22:08 01:09 dawn 03:58 04:45 48 % 07:25
Thu, 19-Jun 21:21 22:09 01:22 dawn 03:58 04:45 37 % 08:13
Fri, 20-Jun 21:22 22:09 01:36 dawn 03:58 04:45 26 % 09:04
Sat, 21-Jun 21:22 22:09 01:55 dawn 03:58 04:46 17 % 10:00
Sun, 22-Jun 21:22 22:09 02:21 dawn 03:59 04:46 9 % 11:00
Mon, 23-Jun 21:22 22:09 03:59 04:46 3 %
Tue, 24-Jun 21:22 22:09 03:57 dawn 03:59 04:47 1 % 12:04
Wed, 25-Jun 21:22 22:09 dusk 22:16 04:00 04:47 1 % 13:09
Thu, 26-Jun 21:22 22:09 dusk 22:56 04:00 04:48 3 % 14:12
Fri, 27-Jun 21:22 22:09 dusk 23:22 04:01 04:48 8 % 15:10
Sat, 28-Jun 21:22 22:09 dusk 23:41 04:02 04:49 15 % 16:02
Sun, 29-Jun 21:22 22:08 dusk 23:55 04:02 04:49 23 % 16:49
Mon, 30-Jun 21:21 22:08 dusk 00:06 04:03 04:50 32 % 17:32
Tue, 01-Jul 21:21 22:08 dusk 00:16 04:04 04:51 42 % 18:13
Wed, 02-Jul 21:21 22:07 dusk 00:26 04:05 04:51 52 % 18:53
Thu, 03-Jul 21:20 22:07 dusk 00:37 04:06 04:52 61 % 19:33
Fri, 04-Jul 21:20 22:06 dusk 00:50 04:07 04:53 70 % 20:15
Sat, 05-Jul 21:19 22:05 dusk 01:07 04:08 04:54 78 % 20:59 after dusk
Sun, 06-Jul 21:19 22:05 dusk 01:29 04:09 04:55 85 % 21:45 after dusk
Mon, 07-Jul 21:18 22:04 dusk 02:00 04:10 04:56 92 % 22:36 after dusk
Tue, 08-Jul 21:17 22:03 dusk 02:45 04:11 04:57 96 % 23:29 after dusk
Wed, 09-Jul 21:17 22:02 dusk 03:44 04:12 04:58 99 % 00:23 after dusk
Thu, 10-Jul 21:16 22:01 dusk dawn 04:14 04:59 100 % 01:18 all night
Fri, 11-Jul 21:15 22:00 22:14 dawn 04:15 05:00 99 % 02:11 before dawn
Sat, 12-Jul 21:14 21:59 22:35 dawn 04:16 05:01 95 % 03:02 before dawn
Sun, 13-Jul 21:13 21:58 22:51 dawn 04:18 05:02 90 % 03:50 before dawn
Mon, 14-Jul 21:13 21:57 23:05 dawn 04:19 05:03 82 % 04:37 before dawn
Tue, 15-Jul 21:12 21:56 23:17 dawn 04:20 05:05 73 % 05:23
Wed, 16-Jul 21:11 21:54 23:29 dawn 04:22 05:06 62 % 06:10
Thu, 17-Jul 21:09 21:53 23:42 dawn 04:23 05:07 51 % 06:59
Fri, 18-Jul 21:08 21:52 23:59 dawn 04:25 05:08 39 % 07:52
Sat, 19-Jul 21:07 21:50 00:21 dawn 04:26 05:10 29 % 08:49
Sun, 20-Jul 21:06 21:49 00:54 dawn 04:28 05:11 19 % 09:50
Mon, 21-Jul 21:05 21:47 01:42 dawn 04:29 05:12 11 % 10:53
Tue, 22-Jul 21:03 21:46 02:48 dawn 04:31 05:14 5 % 11:56
Wed, 23-Jul 21:02 21:44 04:33 05:15 1 %
Thu, 24-Jul 21:01 21:43 04:34 05:16 0 % 12:56
Fri, 25-Jul 20:59 21:41 dusk 21:44 04:36 05:18 2 % 13:50
Sat, 26-Jul 20:58 21:39 dusk 22:00 04:38 05:19 5 % 14:40
Sun, 27-Jul 20:57 21:38 dusk 22:12 04:39 05:21 11 % 15:25
Mon, 28-Jul 20:55 21:36 dusk 22:23 04:41 05:22 18 % 16:07
Tue, 29-Jul 20:54 21:34 dusk 22:33 04:43 05:23 26 % 16:48
Wed, 30-Jul 20:52 21:32 dusk 22:43 04:44 05:25 35 % 17:29
Thu, 31-Jul 20:50 21:31 dusk 22:55 04:46 05:26 45 % 18:10
Fri, 01-Aug 20:49 21:29 dusk 23:10 04:48 05:28 54 % 18:53
Sat, 02-Aug 20:47 21:27 dusk 23:30 04:50 05:29 64 % 19:38
Sun, 03-Aug 20:45 21:25 dusk 23:57 04:51 05:31 72 % 20:27
Mon, 04-Aug 20:44 21:23 dusk 00:36 04:53 05:32 81 % 21:19 after dusk
Tue, 05-Aug 20:42 21:21 dusk 01:29 04:55 05:34 88 % 22:13 after dusk
Wed, 06-Aug 20:40 21:19 dusk 02:37 04:57 05:36 94 % 23:08 after dusk
Thu, 07-Aug 20:38 21:17 dusk 03:56 04:58 05:37 98 % 00:02 after dusk
Fri, 08-Aug 20:37 21:15 dusk dawn 05:00 05:39 100 % 00:54 all night
Sat, 09-Aug 20:35 21:13 dusk dawn 05:02 05:40 99 % 01:44 all night
Sun, 10-Aug 20:33 21:11 21:12 dawn 05:04 05:42 97 % 02:33 before dawn
Mon, 11-Aug 20:31 21:09 21:25 dawn 05:05 05:43 92 % 03:20 before dawn
Tue, 12-Aug 20:29 21:07 21:37 dawn 05:07 05:45 84 % 04:07 before dawn
Wed, 13-Aug 20:27 21:05 21:50 dawn 05:09 05:46 75 % 04:56 before dawn
Thu, 14-Aug 20:25 21:03 22:05 dawn 05:11 05:48 64 % 05:48
Fri, 15-Aug 20:23 21:00 22:25 dawn 05:12 05:50 53 % 06:43
Sat, 16-Aug 20:21 20:58 22:54 dawn 05:14 05:51 42 % 07:42
Sun, 17-Aug 20:19 20:56 23:35 dawn 05:16 05:53 31 % 08:44
Mon, 18-Aug 20:17 20:54 00:34 dawn 05:18 05:54 21 % 09:46
Tue, 19-Aug 20:15 20:52 01:48 dawn 05:19 05:56 12 % 10:45
Wed, 20-Aug 20:13 20:49 03:12 dawn 05:21 05:58 6 % 11:41
Thu, 21-Aug 20:11 20:47 05:23 05:59 2 %
Fri, 22-Aug 20:09 20:45 05:25 06:01 0 % 12:32
Sat, 23-Aug 20:07 20:43 05:26 06:02 1 % 13:18
Sun, 24-Aug 20:05 20:40 05:28 06:04 3 % 14:02
Mon, 25-Aug 20:03 20:38 dusk 20:40 05:30 06:05 7 % 14:43
Tue, 26-Aug 20:00 20:36 dusk 20:51 05:32 06:07 13 % 15:24
Wed, 27-Aug 19:58 20:34 dusk 21:02 05:33 06:09 21 % 16:05
Thu, 28-Aug 19:56 20:31 dusk 21:15 05:35 06:10 29 % 16:47
Fri, 29-Aug 19:54 20:29 dusk 21:32 05:37 06:12 38 % 17:31
Sat, 30-Aug 19:52 20:27 dusk 21:56 05:38 06:13 47 % 18:19
Sun, 31-Aug 19:50 20:24 dusk 22:29 05:40 06:15 57 % 19:09
Mon, 01-Sep 19:47 20:22 dusk 23:15 05:42 06:16 66 % 20:01
Tue, 02-Sep 19:45 20:20 dusk 00:17 05:44 06:18 75 % 20:55 after dusk
Wed, 03-Sep 19:43 20:17 dusk 01:31 05:45 06:20 83 % 21:50 after dusk
Thu, 04-Sep 19:41 20:15 dusk 02:53 05:47 06:21 91 % 22:43 after dusk
Fri, 05-Sep 19:38 20:13 dusk 04:18 05:49 06:23 96 % 23:34 after dusk
Sat, 06-Sep 19:36 20:10 dusk 05:44 05:50 06:24 99 % 00:23 after dusk
Sun, 07-Sep 19:34 20:08 dusk dawn 05:52 06:26 100 % 01:12 all night
Mon, 08-Sep 19:32 20:06 dusk dawn 05:54 06:28 98 % 02:00 all night
Tue, 09-Sep 19:29 20:03 dusk dawn 05:55 06:29 93 % 02:50 all night
Wed, 10-Sep 19:27 20:01 20:11 dawn 05:57 06:31 86 % 03:42 before dawn
Thu, 11-Sep 19:25 19:59 20:30 dawn 05:59 06:32 77 % 04:38 before dawn
Fri, 12-Sep 19:23 19:56 20:56 dawn 06:00 06:34 67 % 05:37
Sat, 13-Sep 19:20 19:54 21:33 dawn 06:02 06:35 56 % 06:38
Sun, 14-Sep 19:18 19:51 22:27 dawn 06:03 06:37 44 % 07:40
Mon, 15-Sep 19:16 19:49 23:36 dawn 06:05 06:39 33 % 08:40
Tue, 16-Sep 19:13 19:47 00:57 dawn 06:07 06:40 24 % 09:36
Wed, 17-Sep 19:11 19:44 02:20 dawn 06:08 06:42 15 % 10:27
Thu, 18-Sep 19:09 19:42 03:41 dawn 06:10 06:43 8 % 11:14
Fri, 19-Sep 19:07 19:40 04:59 dawn 06:12 06:45 4 % 11:58
Sat, 20-Sep 19:04 19:37 06:13 06:47 1 %
Sun, 21-Sep 19:02 19:35 06:15 06:48 0 % 12:39
Mon, 22-Sep 19:00 19:33 06:17 06:50 1 % 13:20
Tue, 23-Sep 18:57 19:30 06:18 06:51 4 % 14:01
Wed, 24-Sep 18:55 19:28 06:20 06:53 9 % 14:43
Thu, 25-Sep 18:53 19:26 dusk 19:38 06:21 06:55 15 % 15:26
Fri, 26-Sep 18:50 19:24 dusk 19:58 06:23 06:56 23 % 16:12
Sat, 27-Sep 18:48 19:21 dusk 20:27 06:25 06:58 31 % 17:01
Sun, 28-Sep 18:46 19:19 dusk 21:07 06:26 06:59 40 % 17:52
Mon, 29-Sep 18:44 19:17 dusk 22:01 06:28 07:01 50 % 18:45
Tue, 30-Sep 18:41 19:14 dusk 23:09 06:29 07:03 60 % 19:38
Wed, 01-Oct 18:39 19:12 dusk 00:26 06:31 07:04 69 % 20:30
Thu, 02-Oct 18:37 19:10 dusk 01:48 06:33 07:06 79 % 21:21 after dusk
Fri, 03-Oct 18:35 19:08 dusk 03:13 06:34 07:07 87 % 22:11 after dusk
Sat, 04-Oct 18:32 19:05 dusk 04:38 06:36 07:09 93 % 22:59 after dusk
Sun, 05-Oct 18:30 19:03 dusk 06:05 06:38 07:11 98 % 23:48 after dusk
Mon, 06-Oct 18:28 19:01 dusk dawn 06:39 07:12 100 % 00:37 all night
Tue, 07-Oct 18:26 18:59 dusk dawn 06:41 07:14 99 % 01:30 all night
Wed, 08-Oct 18:24 18:57 dusk dawn 06:42 07:16 95 % 02:25 all night
Thu, 09-Oct 18:21 18:55 18:57 dawn 06:44 07:17 89 % 03:25 before dawn
Fri, 10-Oct 18:19 18:52 19:31 dawn 06:46 07:19 80 % 04:28 before dawn
Sat, 11-Oct 18:17 18:50 20:20 dawn 06:47 07:21 70 % 05:32
Sun, 12-Oct 18:15 18:48 21:26 dawn 06:49 07:22 59 % 06:34
Mon, 13-Oct 18:13 18:46 22:45 dawn 06:51 07:24 48 % 07:32
Tue, 14-Oct 18:10 18:44 00:08 dawn 06:52 07:26 37 % 08:24
Wed, 15-Oct 18:08 18:42 01:30 dawn 06:54 07:27 27 % 09:12
Thu, 16-Oct 18:06 18:40 02:48 dawn 06:55 07:29 19 % 09:57
Fri, 17-Oct 18:04 18:38 04:02 dawn 06:57 07:31 12 % 10:38
Sat, 18-Oct 18:02 18:36 05:15 dawn 06:59 07:33 6 % 11:19
Sun, 19-Oct 18:00 18:34 06:26 dawn 07:00 07:34 2 % 11:59
Mon, 20-Oct 17:58 18:32 07:02 07:36 0 %
Tue, 21-Oct 17:56 18:30 07:04 07:38 0 % 12:40
Wed, 22-Oct 17:54 18:28 07:05 07:39 2 % 13:23
Thu, 23-Oct 17:52 18:26 07:07 07:41 5 % 14:08
Fri, 24-Oct 17:50 18:24 dusk 18:29 07:09 07:43 10 % 14:56
Sat, 25-Oct 17:48 18:22 dusk 19:05 06:10 06:45 17 % 15:46
Sun, 26-Oct 16:46 17:20 dusk 18:53 06:12 06:46 25 % 15:38
Mon, 27-Oct 16:44 17:19 dusk 19:55 06:13 06:48 34 % 16:30
Tue, 28-Oct 16:42 17:17 dusk 21:07 06:15 06:50 43 % 17:21
Wed, 29-Oct 16:40 17:15 dusk 22:26 06:17 06:52 53 % 18:12
Thu, 30-Oct 16:38 17:13 dusk 23:46 06:18 06:53 64 % 19:00
Fri, 31-Oct 16:37 17:12 dusk 01:08 06:20 06:55 74 % 19:47
Sat, 01-Nov 16:35 17:10 dusk 02:32 06:22 06:57 83 % 20:35 after dusk
Sun, 02-Nov 16:33 17:08 dusk 03:58 06:23 06:59 91 % 21:23 after dusk
Mon, 03-Nov 16:31 17:07 dusk 05:28 06:25 07:00 96 % 22:13 after dusk
Tue, 04-Nov 16:30 17:05 dusk dawn 06:27 07:02 99 % 23:07 all night
Wed, 05-Nov 16:28 17:03 dusk dawn 06:28 07:04 100 % 00:06 all night
Thu, 06-Nov 16:26 17:02 dusk dawn 06:30 07:06 97 % 01:09 all night
Fri, 07-Nov 16:25 17:00 17:08 dawn 06:31 07:07 91 % 02:16 before dawn
Sat, 08-Nov 16:23 16:59 18:09 dawn 06:33 07:09 83 % 03:21 before dawn
Sun, 09-Nov 16:21 16:57 19:27 dawn 06:35 07:11 74 % 04:23

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!

Surrey weather (Accuweather)

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