Snowdon walk

A beginners guide to safely climbing the highest mountain in England and Wales.

Hiking Weather

7 Day Forecast for Snowdonia

Sunset: 21:18. Dusk: 22:04. Moon: 48% (03:10 to dawn)

8 9 10 11 12 13 14 15 16 17 18 19 20
Sun, 22-May 33% 37% 37% 36% 30% 18% 9%
Mon, 23-May 11% 12% 14% 18% 27% 30% 30% 25% 23% 33% 39% 41% 45%
Tue, 24-May 20% 16% 15% 14% 14% 14% 12% 9% 6% 5% 5% 5% 12%
Wed, 25-May 61% 46% 40% 28% 21% 21% 19% 14% 11% 10% 9% 6% 5%
Thu, 26-May 12% 10% 12% 28% 43% 61% 69% 70% 72% 67% 53% 43% 23%
Fri, 27-May 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Sat, 28-May 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Sun, 29-May 0% 0% 0% 0% 0% 0% 0%

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

Met Office Forecast

Wales

Cloud and patchy rain clearing to sunshine spells and showers.

Today:

It will be a cloudy start with patchy rain, low cloud and hill fog in places. However, the cloud will clear into the afternoon with some sunny spells developing, along with a scattering of showers. Feeling pleasant in the sunshine. Maximum Temperature 20C.

Tonight:

Any showers will ease through the evening to leave a mainly dry night for all. There will be clear spells for most, but the cloud will gradually increase towards dawn. Minimum Temperature 10C.

Monday:

A rather cloudy start, but sunny spells will soon develop through the morning. Scattered showers are likely into the afternoon, some of which could be heavy. Feeling fresher for all. Maximum Temperature 15C.

Tuesday to Thursday:

Further sunshine and showers on Tuesday. Windier on Wednesday with rain followed by showers. Staying mostly dry on Thursday. Feeling fresher throughout.

UK: day 6-7 and week 2:

Dry conditions with sunny spells are expected for most on Friday, although some cloud and light rain or showers are likely to be seen in the northern regions. Over the weekend, fine and dry weather will persist, however some light showers remain possible, especially in the north and east. Near normal temperatures can be expected for most, perhaps feeling warmer in the south and southwest. Into the following week, the weather is likely to become more settled, with any few showers most likely to be seen in the north and east. This means drier conditions and above average temperatures for most, particularly in the south and southeast, and fewer showers all round. As we move into the beginning of June, drier than average conditions are expected to persist overall.

UK: week 3 and 4:

In the beginning of June, we can expect to see a lot of dry weather across the UK. Temperatures may potentially become warm in the south and southwest but remaining closer to average in the north. Later on in June, we may however see some less settled and cooler weather, particularly in northern regions.

Met Office : Wales : 2022-05-22T01:28:12

Daylight : Snowdonia

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

Day length is dusk to dawn. Times will vary a little if there is a hill on the horizon.

It should still be light enough to read at dawn and dusk, so there will be enough light for walking even earlier (later).

Moonlight : Snowdonia

Date Sunset Dusk Moon Rise Moon Set Dawn Sunrise % Full Max. Ht. Night Walk
Sun, 22-May 21:18 22:04 03:10 dawn 04:20 05:06 48 % 08:01
Mon, 23-May 21:19 22:05 03:24 dawn 04:19 05:05 37 % 08:47
Tue, 24-May 21:21 22:07 03:36 dawn 04:17 05:04 27 % 09:32
Wed, 25-May 21:22 22:09 03:47 dawn 04:16 05:03 18 % 10:14
Thu, 26-May 21:23 22:10 03:58 dawn 04:15 05:02 11 %
Fri, 27-May 21:25 22:12 04:11 dawn 04:13 05:01 6 %
Sat, 28-May 21:26 22:14 04:12 04:59 2 %
Sun, 29-May 21:27 22:15 04:11 04:58 0 %
Mon, 30-May 21:29 22:17 04:09 04:58 0 %
Tue, 31-May 21:30 22:18 dusk 23:04 04:08 04:57 2 % 14:03
Wed, 01-Jun 21:31 22:20 dusk 00:00 04:07 04:56 6 % 14:53
Thu, 02-Jun 21:32 22:21 dusk 00:45 04:06 04:55 11 % 15:44
Fri, 03-Jun 21:33 22:22 dusk 01:17 04:05 04:54 17 % 16:34
Sat, 04-Jun 21:34 22:24 dusk 01:42 04:04 04:54 25 % 17:22
Sun, 05-Jun 21:35 22:25 dusk 02:00 04:03 04:53 34 % 18:09
Mon, 06-Jun 21:36 22:26 dusk 02:15 04:03 04:52 44 % 18:54
Tue, 07-Jun 21:37 22:27 dusk 02:27 04:02 04:52 54 % 19:38
Wed, 08-Jun 21:38 22:28 dusk 02:39 04:01 04:51 64 % 20:21
Thu, 09-Jun 21:39 22:29 dusk 02:50 04:01 04:51 74 % 21:06
Fri, 10-Jun 21:40 22:30 dusk 03:04 04:00 04:51 83 % 21:54 after dusk
Sat, 11-Jun 21:40 22:31 dusk 03:21 04:00 04:50 91 % 22:45 after dusk
Sun, 12-Jun 21:41 22:32 dusk 03:44 03:59 04:50 97 % 23:42 after dusk
Mon, 13-Jun 21:42 22:33 dusk dawn 03:59 04:50 100 % 00:44 all night
Tue, 14-Jun 21:42 22:33 dusk dawn 03:59 04:50 100 % 01:50 all night
Wed, 15-Jun 21:43 22:34 23:36 dawn 03:58 04:50 97 % 02:57 before dawn
Thu, 16-Jun 21:43 22:34 00:23 dawn 03:58 04:49 91 % 04:02 before dawn
Fri, 17-Jun 21:44 22:35 00:55 dawn 03:58 04:49 83 % 05:01 before dawn
Sat, 18-Jun 21:44 22:35 01:16 dawn 03:58 04:50 73 % 05:55
Sun, 19-Jun 21:44 22:36 01:31 dawn 03:58 04:50 62 % 06:44
Mon, 20-Jun 21:45 22:36 01:44 dawn 03:59 04:50 52 % 07:30
Tue, 21-Jun 21:45 22:36 01:56 dawn 03:59 04:50 41 % 08:14
Wed, 22-Jun 21:45 22:36 02:07 dawn 03:59 04:50 31 % 08:56
Thu, 23-Jun 21:45 22:36 02:19 dawn 03:59 04:51 22 % 09:40
Fri, 24-Jun 21:45 22:36 02:34 dawn 04:00 04:51 15 % 10:24
Sat, 25-Jun 21:45 22:36 02:52 dawn 04:00 04:52 9 %
Sun, 26-Jun 21:45 22:36 03:16 dawn 04:01 04:52 4 %
Mon, 27-Jun 21:45 22:36 03:49 dawn 04:02 04:53 1 %
Tue, 28-Jun 21:45 22:36 04:02 04:53 0 %
Wed, 29-Jun 21:45 22:35 dusk 22:43 04:03 04:54 1 % 13:40
Thu, 30-Jun 21:44 22:35 dusk 23:20 04:04 04:55 3 % 14:30
Fri, 01-Jul 21:44 22:34 dusk 23:46 04:05 04:55 7 % 15:19
Sat, 02-Jul 21:44 22:34 dusk 00:06 04:06 04:56 13 % 16:06
Sun, 03-Jul 21:43 22:33 dusk 00:21 04:07 04:57 20 % 16:51
Mon, 04-Jul 21:43 22:33 dusk 00:34 04:08 04:58 29 % 17:35
Tue, 05-Jul 21:42 22:32 dusk 00:46 04:09 04:59 39 % 18:17
Wed, 06-Jul 21:41 22:31 dusk 00:57 04:10 05:00 49 % 19:01
Thu, 07-Jul 21:41 22:30 dusk 01:09 04:11 05:01 60 % 19:45
Fri, 08-Jul 21:40 22:29 dusk 01:23 04:13 05:02 70 % 20:33
Sat, 09-Jul 21:39 22:28 dusk 01:43 04:14 05:03 80 % 21:26 after dusk
Sun, 10-Jul 21:39 22:27 dusk 02:10 04:15 05:04 89 % 22:24 after dusk
Mon, 11-Jul 21:38 22:26 dusk 02:51 04:17 05:05 95 % 23:27 after dusk
Tue, 12-Jul 21:37 22:25 dusk 03:52 04:18 05:06 99 % 00:34 after dusk
Wed, 13-Jul 21:36 22:24 dusk dawn 04:20 05:07 100 % 01:40 all night
Thu, 14-Jul 21:35 22:22 22:52 dawn 04:21 05:09 98 % 02:44 before dawn
Fri, 15-Jul 21:34 22:21 23:18 dawn 04:23 05:10 93 % 03:42 before dawn
Sat, 16-Jul 21:33 22:20 23:36 dawn 04:24 05:11 85 % 04:35 before dawn
Sun, 17-Jul 21:31 22:18 23:50 dawn 04:26 05:13 76 % 05:24 before dawn
Mon, 18-Jul 21:30 22:17 00:02 dawn 04:27 05:14 67 % 06:10
Tue, 19-Jul 21:29 22:15 00:14 dawn 04:29 05:15 56 % 06:54
Wed, 20-Jul 21:28 22:14 00:26 dawn 04:31 05:17 46 % 07:37
Thu, 21-Jul 21:26 22:12 00:40 dawn 04:33 05:18 36 % 08:22
Fri, 22-Jul 21:25 22:10 00:57 dawn 04:34 05:20 27 % 09:08
Sat, 23-Jul 21:24 22:09 01:19 dawn 04:36 05:21 19 % 09:56
Sun, 24-Jul 21:22 22:07 01:49 dawn 04:38 05:23 12 %
Mon, 25-Jul 21:21 22:05 02:30 dawn 04:40 05:24 7 %
Tue, 26-Jul 21:19 22:03 03:23 dawn 04:41 05:26 3 %
Wed, 27-Jul 21:18 22:01 04:27 dawn 04:43 05:27 1 %
Thu, 28-Jul 21:16 22:00 04:45 05:29 0 %
Fri, 29-Jul 21:14 21:58 dusk 22:12 04:47 05:30 1 % 14:04
Sat, 30-Jul 21:13 21:56 dusk 22:29 04:49 05:32 5 % 14:50
Sun, 31-Jul 21:11 21:54 dusk 22:42 04:51 05:33 10 % 15:34
Mon, 01-Aug 21:09 21:52 dusk 22:53 04:53 05:35 17 % 16:17
Tue, 02-Aug 21:08 21:50 dusk 23:04 04:55 05:37 25 % 16:59
Wed, 03-Aug 21:06 21:48 dusk 23:16 04:56 05:38 34 % 17:43
Thu, 04-Aug 21:04 21:46 dusk 23:29 04:58 05:40 45 % 18:28
Fri, 05-Aug 21:02 21:43 dusk 23:45 05:00 05:42 56 % 19:17
Sat, 06-Aug 21:00 21:41 dusk 00:08 05:02 05:43 67 % 20:11
Sun, 07-Aug 20:58 21:39 dusk 00:41 05:04 05:45 77 % 21:10 after dusk
Mon, 08-Aug 20:56 21:37 dusk 01:31 05:06 05:47 86 % 22:13 after dusk
Tue, 09-Aug 20:54 21:35 dusk 02:42 05:08 05:48 94 % 23:19 after dusk
Wed, 10-Aug 20:52 21:33 dusk 04:10 05:10 05:50 98 % 00:24 after dusk
Thu, 11-Aug 20:50 21:30 dusk dawn 05:12 05:52 100 % 01:25 all night
Fri, 12-Aug 20:48 21:28 21:38 dawn 05:14 05:53 99 % 02:21 before dawn
Sat, 13-Aug 20:46 21:26 21:54 dawn 05:16 05:55 95 % 03:12 before dawn
Sun, 14-Aug 20:44 21:24 22:08 dawn 05:17 05:57 89 % 04:00 before dawn
Mon, 15-Aug 20:42 21:21 22:19 dawn 05:19 05:58 81 % 04:46 before dawn
Tue, 16-Aug 20:40 21:19 22:31 dawn 05:21 06:00 72 % 05:31
Wed, 17-Aug 20:38 21:17 22:45 dawn 05:23 06:02 62 % 06:17
Thu, 18-Aug 20:36 21:14 23:00 dawn 05:25 06:03 52 % 07:03
Fri, 19-Aug 20:34 21:12 23:21 dawn 05:27 06:05 42 % 07:51
Sat, 20-Aug 20:32 21:10 23:48 dawn 05:29 06:07 33 % 08:40
Sun, 21-Aug 20:29 21:07 00:25 dawn 05:31 06:09 24 % 09:31
Mon, 22-Aug 20:27 21:05 01:14 dawn 05:33 06:10 17 % 10:22
Tue, 23-Aug 20:25 21:02 02:15 dawn 05:35 06:12 10 %
Wed, 24-Aug 20:23 21:00 03:25 dawn 05:36 06:14 5 %
Thu, 25-Aug 20:20 20:58 04:39 dawn 05:38 06:15 2 %
Fri, 26-Aug 20:18 20:55 05:40 06:17 0 %
Sat, 27-Aug 20:16 20:53 05:42 06:19 0 % 13:32
Sun, 28-Aug 20:14 20:50 dusk 21:02 05:44 06:20 3 % 14:15
Mon, 29-Aug 20:11 20:48 dusk 21:13 05:46 06:22 7 % 14:58
Tue, 30-Aug 20:09 20:45 dusk 21:24 05:48 06:24 13 % 15:42
Wed, 31-Aug 20:07 20:43 dusk 21:36 05:49 06:26 21 % 16:26
Thu, 01-Sep 20:04 20:40 dusk 21:50 05:51 06:27 31 % 17:14
Fri, 02-Sep 20:02 20:38 dusk 22:10 05:53 06:29 41 % 18:05
Sat, 03-Sep 20:00 20:36 dusk 22:38 05:55 06:31 53 % 19:01
Sun, 04-Sep 19:57 20:33 dusk 23:20 05:57 06:32 64 % 20:01
Mon, 05-Sep 19:55 20:31 dusk 00:21 05:58 06:34 75 % 21:04 after dusk
Tue, 06-Sep 19:53 20:28 dusk 01:41 06:00 06:36 84 % 22:08 after dusk
Wed, 07-Sep 19:50 20:26 dusk 03:11 06:02 06:37 92 % 23:09 after dusk
Thu, 08-Sep 19:48 20:23 dusk 04:44 06:04 06:39 97 % 00:06 after dusk
Fri, 09-Sep 19:46 20:21 dusk dawn 06:06 06:41 100 % 00:59 all night
Sat, 10-Sep 19:43 20:18 dusk dawn 06:07 06:43 100 % 01:49 all night
Sun, 11-Sep 19:41 20:16 20:25 dawn 06:09 06:44 97 % 02:36 before dawn
Mon, 12-Sep 19:38 20:13 20:37 dawn 06:11 06:46 92 % 03:22 before dawn
Tue, 13-Sep 19:36 20:11 20:49 dawn 06:13 06:48 85 % 04:08 before dawn
Wed, 14-Sep 19:34 20:08 21:04 dawn 06:14 06:49 77 % 04:55 before dawn
Thu, 15-Sep 19:31 20:06 21:22 dawn 06:16 06:51 68 % 05:43
Fri, 16-Sep 19:29 20:03 21:46 dawn 06:18 06:53 59 % 06:33
Sat, 17-Sep 19:26 20:01 22:19 dawn 06:20 06:54 49 % 07:23
Sun, 18-Sep 19:24 19:58 23:04 dawn 06:22 06:56 40 % 08:15
Mon, 19-Sep 19:22 19:56 00:01 dawn 06:23 06:58 31 % 09:05
Tue, 20-Sep 19:19 19:54 01:08 dawn 06:25 07:00 22 % 09:54
Wed, 21-Sep 19:17 19:51 02:22 dawn 06:27 07:01 15 %
Thu, 22-Sep 19:14 19:49 03:38 dawn 06:28 07:03 9 %
Fri, 23-Sep 19:12 19:46 04:54 dawn 06:30 07:05 4 %
Sat, 24-Sep 19:09 19:44 06:11 dawn 06:32 07:06 1 %
Sun, 25-Sep 19:07 19:41 06:34 07:08 0 %
Mon, 26-Sep 19:05 19:39 06:35 07:10 1 % 13:39
Tue, 27-Sep 19:02 19:37 dusk 19:43 06:37 07:12 5 % 14:24
Wed, 28-Sep 19:00 19:34 dusk 19:57 06:39 07:13 11 % 15:11
Thu, 29-Sep 18:57 19:32 dusk 20:15 06:41 07:15 18 % 16:02
Fri, 30-Sep 18:55 19:29 dusk 20:40 06:42 07:17 28 % 16:57
Sat, 01-Oct 18:53 19:27 dusk 21:16 06:44 07:18 38 % 17:56
Sun, 02-Oct 18:50 19:25 dusk 22:10 06:46 07:20 50 % 18:57
Mon, 03-Oct 18:48 19:22 dusk 23:23 06:48 07:22 61 % 19:59
Tue, 04-Oct 18:46 19:20 dusk 00:49 06:49 07:24 72 % 21:00
Wed, 05-Oct 18:43 19:18 dusk 02:19 06:51 07:25 82 % 21:56 after dusk
Thu, 06-Oct 18:41 19:15 dusk 03:48 06:53 07:27 90 % 22:49 after dusk
Fri, 07-Oct 18:39 19:13 dusk 05:15 06:55 07:29 96 % 23:39 after dusk
Sat, 08-Oct 18:36 19:11 dusk 06:39 06:56 07:31 99 % 00:26 after dusk
Sun, 09-Oct 18:34 19:08 dusk dawn 06:58 07:33 100 % 01:13 all night
Mon, 10-Oct 18:32 19:06 dusk dawn 07:00 07:34 99 % 01:58 all night
Tue, 11-Oct 18:29 19:04 19:08 dawn 07:01 07:36 95 % 02:45 before dawn
Wed, 12-Oct 18:27 19:02 19:24 dawn 07:03 07:38 90 % 03:33 before dawn
Thu, 13-Oct 18:25 18:59 19:46 dawn 07:05 07:40 83 % 04:23 before dawn
Fri, 14-Oct 18:23 18:57 20:15 dawn 07:07 07:42 75 % 05:14 before dawn
Sat, 15-Oct 18:20 18:55 20:55 dawn 07:08 07:43 66 % 06:06
Sun, 16-Oct 18:18 18:53 21:47 dawn 07:10 07:45 57 % 06:57
Mon, 17-Oct 18:16 18:51 22:51 dawn 07:12 07:47 47 % 07:46
Tue, 18-Oct 18:14 18:49 00:02 dawn 07:14 07:49 38 % 08:34
Wed, 19-Oct 18:11 18:47 01:17 dawn 07:15 07:51 29 % 09:20
Thu, 20-Oct 18:09 18:44 02:33 dawn 07:17 07:52 20 % 10:05
Fri, 21-Oct 18:07 18:42 03:49 dawn 07:19 07:54 13 %
Sat, 22-Oct 18:05 18:40 05:07 dawn 07:21 07:56 7 %
Sun, 23-Oct 18:03 18:38 06:27 dawn 07:22 07:58 3 %
Mon, 24-Oct 18:01 18:36 07:24 08:00 0 %
Tue, 25-Oct 17:59 18:34 07:26 08:02 0 %
Wed, 26-Oct 17:57 18:32 07:28 08:04 3 % 13:54
Thu, 27-Oct 17:55 18:30 dusk 18:42 07:29 08:05 8 % 14:49
Fri, 28-Oct 17:53 18:28 dusk 19:14 07:31 08:07 15 % 15:48
Sat, 29-Oct 17:51 18:27 dusk 20:03 06:33 07:09 25 % 16:50
Sun, 30-Oct 16:49 17:25 dusk 20:11 06:35 07:11 36 % 16:53
Mon, 31-Oct 16:47 17:23 dusk 21:34 06:36 07:13 47 % 17:55
Tue, 01-Nov 16:45 17:21 dusk 23:03 06:38 07:15 59 % 18:52
Wed, 02-Nov 16:43 17:19 dusk 00:32 06:40 07:17 69 % 19:45
Thu, 03-Nov 16:41 17:18 dusk 01:57 06:42 07:18 79 % 20:35 after dusk
Fri, 04-Nov 16:39 17:16 dusk 03:20 06:43 07:20 87 % 21:21 after dusk
Sat, 05-Nov 16:37 17:14 dusk 04:41 06:45 07:22 94 % 22:07 after dusk
Sun, 06-Nov 16:36 17:13 dusk 06:01 06:47 07:24 98 % 22:52 after dusk
Mon, 07-Nov 16:34 17:11 dusk dawn 06:49 07:26 100 % 23:37 all night
Tue, 08-Nov 16:32 17:09 dusk dawn 06:50 07:28 100 % 00:25 all night
Wed, 09-Nov 16:30 17:08 dusk dawn 06:52 07:30 98 % 01:14 all night
Thu, 10-Nov 16:29 17:06 17:13 dawn 06:54 07:31 94 % 02:05 before dawn
Fri, 11-Nov 16:27 17:05 17:49 dawn 06:55 07:33 88 % 02:56 before dawn
Sat, 12-Nov 16:25 17:03 18:36 dawn 06:57 07:35 81 % 03:48 before dawn
Sun, 13-Nov 16:24 17:02 19:36 dawn 06:59 07:37 73 % 04:39
Mon, 14-Nov 16:22 17:01 20:44 dawn 07:00 07:39 64 % 05:27
Tue, 15-Nov 16:21 16:59 21:57 dawn 07:02 07:41 55 % 06:13
Wed, 16-Nov 16:19 16:58 23:12 dawn 07:04 07:42 46 % 06:57
Thu, 17-Nov 16:18 16:57 00:27 dawn 07:05 07:44 36 % 07:40

Notes

  • The moon's phase or fracillum (percentage of the moon illuminated) doesn't vary much with location.
  • A full moon is not just bigger, its much brighter. A half moon ('50%') give less than 5% of the illumination of a full moon. You can walk with a half 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
  • Of course, you need a cloudless night as well!

Met Office Mountain Forecast

Issued: 0600 on 2022-05-22 for Snowdonia

Today

Widely overcast throughout, with outbreaks of mainly light rain and drizzle.

Summary Cloud will thicken and lower across the park this morning, giving extensive hill fog. Outbreaks of mainly light rain and drizzle will continue for much of the day, most persistent on west facing slopes. Rain will gradually will ease during the evening, with much of the park becoming dry. Remaining largely cloudy overnight though some cloud breaks are likely to develop.
Chance of Cloud free tops 10%, increasing to 40% by the evening.
Ground conditions Please see - https://www.eryri.llyw.cymru/visiting/walking/ground-conditions
Visibility Extensive cloud will push eastward across the park, covering slopes above 400m. Broken cloud from lower slopes upwards at times, particularly on west facing slopes and in prolonged rainfall. Bases lifting to around 600m later, with improvements to above summits further east. Cloud breaks developing late on. Rain and drizzle will result in often poor visibility. Good visibility occasionally beneath the higher cloud base in the east.
Severe Chill Effect: Low Likelihood
Poor Visibility: High Likelihood
060708 091011 121314 151617 181920 212223
Weather Drizzle Drizzle Light rain Light rain Light rain Cloudy
Rain 60% 60% 60% 60% 40% 20%
Temp (tops) 8 8 9 8 6 6
Wind (tops) 28 28 31 31 28 23
Freezing Level 2300m 2200m 2100m 2000m 1900m 1900m
Day 1

Cloudy in the west initially, with hill fog and patchy drizzle. Bright elsewhere with cloud soon bubbling up. Isolated showers developing Monday morning. By the afternoon scattered showers will turn locally heavy, with a risk of hail and thunder, potentially merging to give more prolonged periods of rain, especially across southern and eastern parts. Showers tending to ease a little during the evening, but continuing into the overnight period.

Ice Above the summits.
Visibility Areas of low cloud likely to cover slopes in the west of the park above around 500m, improving to above 800m by mid-morning. Cloud lowering to cover summits in and around heavier showers, with patches down to lower slopes. Visibility generally good, but temporarily moderate to poor in precipitation.
Wind Westerly 15-20mph.
Temp Plus 1 Celsius, slowly increasing to Plus 5 Celsius. (at high level)
Day 2

Day 3

Day 4

Data: Met Office