Climate
Climate in Saint-Omer
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
7°
Mar
10°
Apr
13°
May
17°
Jun
18°
Jul
18°
Aug
16°
Sep
13°
Oct
8°
Nov
6°
Dec
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air (°C) | 4.7 | 5.9 | 7.4 | 9.6 | 13.1 | 16.6 | 18.2 | 18.4 | 16 | 12.8 | 8.3 | 6.2 |
| Sunshine (h) | 124 | 153 | 225 | 305 | 352 | 363 | 374 | 336 | 265 | 196 | 137 | 110 |
| Rain (mm) | 84 | 65 | 67 | 50 | 56 | 57 | 51 | 65 | 60 | 75 | 84 | 81 |
| Wind (kn) | 8.6 | 9.4 | 8.4 | 7.1 | 7 | 6.9 | 7 | 6.9 | 7 | 7.9 | 8.1 | 8.8 |
| Gusts (kn) | 24.1 | 25.9 | 24.1 | 21.8 | 21.6 | 21.7 | 21.7 | 21.3 | 21.3 | 23.2 | 22.4 | 23.9 |
Mean wind at 10 m, in knots. Gusts are the mean of each day's peak.
The seasons
Spring
March – May
10°·294 h·58 mm
7.5 kn
Summer
June – August
18°·358 h·58 mm
6.9 kn
Autumn
September – November
12°·199 h·73 mm
7.7 kn
Winter
December – February
6°·129 h·77 mm
8.9 kn
