Temperature
Cold by day, cold at night.
Cold days.

Cold by day, cold at night.
It rains on most days. About 21 wet days, the highest monthly average.
Sunshine is limited, with cloud often dominating.
Humidity is rarely noticeable in the cool air.
In December, afternoons feel about 35° and nights feel near 33°.
Mostly cloudy skies this month.
Breezy December days can feel brisker in open spots.
December late afternoons are around 44°F, and early evening stays near 44°F.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 45 | 39 | 5.1 | 17 | 3.4 | 86 |
| Feb | 47 | 41 | 5.5 | 19 | 5.2 | 84 |
| Mar | 50 | 41 | 3.6 | 15 | 6.9 | 82 |
| Apr | 53 | 42 | 2.9 | 13 | 9.2 | 79 |
| May | 58 | 49 | 3.5 | 14 | 10.8 | 79 |
| Jun | 62 | 53 | 3.5 | 16 | 10.3 | 82 |
| Jul | 64 | 56 | 3.7 | 18 | 10.0 | 84 |
| Aug | 64 | 56 | 4.3 | 18 | 9.1 | 84 |
| Sep | 62 | 53 | 4.4 | 17 | 7.4 | 84 |
| Oct | 56 | 50 | 6.5 | 21 | 5.6 | 84 |
| Nov | 51 | 44 | 5.2 | 19 | 4.1 | 85 |
| Dec | 47 | 42 | 6.7 | 21 | 2.9 | 86 |
Similar climates
Want a side-by-side climate view? Compare Troon with Amsterdam.
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: Jul 31, 2026
Data & methodology