Climate
Climate in Dunkerque
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
17°
Jun
18°
Jul
19°
Aug
16°
Sep
13°
Oct
9°
Nov
7°
Dec
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air (°C) | 5.1 | 6.1 | 7.5 | 9.7 | 13 | 16.6 | 18.3 | 18.5 | 16.4 | 13 | 8.7 | 6.6 |
| Sunshine (h) | 126 | 158 | 231 | 313 | 358 | 370 | 378 | 345 | 272 | 197 | 138 | 112 |
| Rain (mm) | 81 | 60 | 65 | 49 | 47 | 58 | 53 | 66 | 66 | 81 | 90 | 81 |
| Wind (kn) | 9.7 | 10.4 | 9.3 | 8.3 | 8 | 7.9 | 7.8 | 7.8 | 8 | 8.8 | 9.1 | 9.8 |
| Gusts (kn) | 25 | 26.4 | 24.7 | 22.8 | 22.7 | 22.6 | 22.6 | 22.3 | 22.3 | 23.8 | 23.4 | 24.8 |
| Sea (°C) | 7.3 | 8.1 | 8.7 | 11 | 13.9 | 17.3 | 19.9 | 20.7 | 19 | 16 | 12.4 | 9.1 |
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°·301 h·54 mm
8.5 kn·Sea 11°
Summer
June – August
18°·364 h·59 mm
7.8 kn·Sea 19°
Autumn
September – November
13°·202 h·79 mm
8.6 kn·Sea 16°
Winter
December – February
6°·132 h·74 mm
10 kn·Sea 8°
