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Porthmadog (52° 55' N/4° 07' W)
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| Tu 13 | We 14 | Th 15 | Fr 16 | Sa 17 | Su 18 | Mo 19 | Tu 20 | We 21 | Th 22 | Fr 23 | Sa 24 | Su 25 | Mo 26 | |
| Tmin (°C) | 15 | 9 | 14 | 9 | 10 | 11 | 13 | 14 | 9 | 11 | 13 | 13 | 13 | 12 |
| Tmax (°C) | 18 | 19 | 18 | 17 | 18 | 18 | 18 | 17 | 16 | 18 | 18 | 18 | 19 | 17 |
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| a.m. | SW 11 | SE 4 | SW 18 | SW 6 | SW 8 | SW 9 | SW 12 | W 8 | SW 7 | SW 9 | SW 12 | SW 10 | SW 7 | SW 7 |
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| SW 8 | SW 10 | SW 13 | SW 12 | SW 10 | SW 11 | SW 12 | W 11 | SW 11 | SW 11 | SW 15 | SW 10 | SW 11 | SW 9 | |
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| N 5 | SW 9 | SW 4 | SW 9 | SW 7 | SW 8 | SW 11 | W 8 | SW 8 | SW 9 | S 12 | SW 5 | SW 6 | SW 7 | |
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| Precipitation (mm) | 3.7 | 0.5 | 13.5 | 0 | 0 | 0.1 | 5.3 | 5.5 | 0 | 0.7 | 9.9 | 5.3 | 5.2 | 10.5 |
| Rain risk | 80 % | 15 % | 95 % | 40 % | 40 % | 55 % | 85 % | 65 % | 40 % | 55 % | 65 % | 55 % | 55 % | 70 % |
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| Sunshine hours (hrs) | 0.7 | 14.0 | 0.0 | 11.7 | 8.0 | 5.1 | 1.4 | 4.3 | 7.9 | 2.9 | 6.4 | 3.5 | 3.5 | 1.4 |
| UV index | 2 | 6 | 3 | 6 | 5 | 5 | 3 | 5 | 5 | 4 | 5 | 4 | 4 | 3 |
| Sunrise Sunset |
05:55 20:46 |
05:57 20:44 |
05:59 20:42 |
06:00 20:40 |
06:02 20:38 |
06:04 20:36 |
06:05 20:33 |
06:07 20:31 |
06:09 20:29 |
06:10 20:27 |
06:12 20:25 |
06:14 20:22 |
06:15 20:20 |
06:17 20:18 |
Last updated: Tue 13 Aug 10:56 EDT
(Wind Speed in mph)
Wind data for guidance only, actually gusts may be considerably higher than those shown.
