Climate
Climate in Île de Groix
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.
7°
Jan
8°
Feb
9°
Mar
11°
Apr
14°
May
17°
Jun
19°
Jul
19°
Aug
17°
Sep
14°
Oct
11°
Nov
9°
Dec
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air (°C) | 7.3 | 8.1 | 9.2 | 11.1 | 14.1 | 17.2 | 18.7 | 18.6 | 16.7 | 14 | 10.7 | 8.8 |
| Sunshine (h) | 140 | 169 | 251 | 308 | 359 | 360 | 386 | 354 | 291 | 228 | 171 | 131 |
| Rain (mm) | 114 | 84 | 86 | 59 | 56 | 69 | 54 | 52 | 66 | 111 | 118 | 125 |
| Wind (kn) | 10.2 | 10.3 | 10.3 | 8.3 | 8.3 | 7.6 | 8.1 | 7.8 | 8.1 | 9.1 | 10.1 | 10.7 |
| Gusts (kn) | 27.6 | 27.2 | 27.8 | 23.5 | 23.6 | 22.4 | 23.4 | 22.5 | 23.3 | 25.3 | 27.5 | 28.3 |
| Sea (°C) | 11 | 10.6 | 11.1 | 12.6 | 15.2 | 17 | 17.5 | 18.3 | 17.8 | 16.4 | 15 | 12.7 |
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°·306 h·67 mm
9 kn·Sea 13°
Summer
June – August
18°·367 h·58 mm
7.8 kn·Sea 18°
Autumn
September – November
14°·230 h·98 mm
9.1 kn·Sea 16°
Winter
December – February
8°·147 h·108 mm
10.4 kn·Sea 11°
