Climate
Climate in Saint-Brieuc
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 August to August.
7°
Jan
8°
Feb
9°
Mar
10°
Apr
13°
May
16°
Jun
18°
Jul
18°
Aug
17°
Sep
14°
Oct
10°
Nov
8°
Dec
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air (°C) | 6.9 | 7.6 | 8.6 | 10.3 | 13.2 | 16.2 | 17.9 | 18.1 | 16.5 | 13.6 | 10.1 | 8.2 |
| Sunshine (h) | 134 | 163 | 236 | 302 | 345 | 337 | 364 | 336 | 273 | 216 | 159 | 127 |
| Rain (mm) | 83 | 64 | 62 | 55 | 53 | 73 | 50 | 56 | 63 | 87 | 85 | 85 |
| Wind (kn) | 9.4 | 9.9 | 9.6 | 7.9 | 7.7 | 6.8 | 7.4 | 7.3 | 7.8 | 8.7 | 9.4 | 9.9 |
| Gusts (kn) | 24.7 | 25.5 | 25.6 | 21.9 | 22.1 | 20.3 | 21.3 | 21 | 21.7 | 23.2 | 24.9 | 25.2 |
| Sea (°C) | 8.4 | 8.9 | 9.8 | 12.5 | 15.5 | 18.7 | 20.4 | 20.9 | 19.3 | 16.4 | 13 | 9.9 |
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
11°·294 h·57 mm
8.4 kn·Sea 13°
Summer
June – August
17°·346 h·60 mm
7.2 kn·Sea 20°
Autumn
September – November
13°·216 h·78 mm
8.6 kn·Sea 16°
Winter
December – February
8°·141 h·77 mm
9.7 kn·Sea 9°
