Climate
Climate in Calais
Air temperature, 10 m wind, sunshine hours and rain, month by month. Averages 2016-2025. This is not a trip forecast.
The year
The air is 18 °C or warmer from July to August.
5°
Jan
6°
Feb
8°
Mar
10°
Apr
13°
May
16°
Jun
18°
Jul
18°
Aug
16°
Sep
13°
Oct
9°
Nov
7°
Dec
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air (°C) | 5.4 | 6.3 | 7.6 | 9.6 | 12.8 | 16.2 | 18.1 | 18.3 | 16.3 | 13.2 | 9 | 6.9 |
| Sunshine (h) | 131 | 160 | 231 | 312 | 356 | 369 | 377 | 344 | 268 | 197 | 140 | 115 |
| Rain (mm) | 84 | 68 | 67 | 48 | 50 | 51 | 51 | 64 | 65 | 92 | 95 | 90 |
| Wind (kn) | 10.2 | 11 | 9.8 | 8.5 | 8.2 | 8.3 | 8.4 | 8.3 | 8.4 | 9.3 | 9.6 | 10.4 |
| Gusts (kn) | 27.1 | 28.7 | 26.7 | 24.2 | 24 | 24.1 | 24.4 | 24.1 | 24 | 25.8 | 25.6 | 27.2 |
| Sea (°C) | 8.2 | 8.5 | 8.9 | 10.7 | 13.3 | 16.4 | 19.4 | 20.2 | 19 | 16.5 | 13.3 | 10.2 |
Mean wind at 10 m, in knots. Gusts are the mean of each day's peak.
Sea temperature, averages 2022-2026. This is not the 2015-2024 series.
The seasons
Spring
March – May
10°·300 h·55 mm
8.8 kn·Sea 11°
Summer
June – August
18°·363 h·55 mm
8.3 kn·Sea 19°
Autumn
September – November
13°·202 h·84 mm
9.1 kn·Sea 16°
Winter
December – February
6°·135 h·81 mm
10.5 kn·Sea 9°