Temperature
Cold by day, cold at night.
Cold days.
Cold by day, cold at night.
Several rainy days. About 12 wet days this month.
Sunshine is scarce under mostly cloudy skies.
Humidity is rarely noticeable in the cool air.
In December, afternoons feel about 37° and nights feel near 34°.
Overcast skies this month.
Breezy December days can feel brisker in open spots.
December late afternoons are around 46°F, easing to about 44°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 46 | 38 | 2.9 | 13 | 2.0 | 86 | 51 |
| Feb | 46 | 37 | 2.5 | 11 | 2.5 | 84 | 49 |
| Mar | 49 | 39 | 2.3 | 11 | 3.6 | 83 | 49 |
| Apr | 53 | 41 | 2.4 | 12 | 5.2 | 80 | 51 |
| May | 58 | 46 | 2.6 | 12 | 5.8 | 81 | 54 |
| Jun | 63 | 51 | 2.5 | 12 | 6.1 | 81 | 58 |
| Jul | 67 | 55 | 2.2 | 11 | 6.2 | 81 | 61 |
| Aug | 66 | 55 | 2.6 | 12 | 5.4 | 83 | 63 |
| Sep | 63 | 52 | 2.1 | 10 | 4.5 | 84 | 63 |
| Oct | 57 | 48 | 3.4 | 13 | 3.0 | 86 | 60 |
| Nov | 51 | 43 | 3.3 | 13 | 2.2 | 86 | 56 |
| Dec | 47 | 39 | 3.3 | 12 | 1.8 | 87 | 53 |
Similar climates
Want a side-by-side climate view? Compare Devon with Aberystwyth.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 11, 2026
Data & methodology