Climate
Climate in Lannion
Air temperature, 10 m wind, sunshine hours and rain, month by month. Averages 2016-2025. This is not a trip forecast.
The year
7°
Jan
8°
Feb
9°
Mar
11°
Apr
13°
May
16°
Jun
18°
Jul
18°
Aug
16°
Sep
14°
Oct
11°
Nov
9°
Dec
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air (°C) | 7.4 | 8.1 | 8.9 | 10.5 | 13.2 | 15.9 | 17.6 | 17.7 | 16.2 | 13.7 | 10.6 | 8.9 |
| Sunshine (h) | 132 | 160 | 231 | 307 | 357 | 334 | 365 | 332 | 273 | 215 | 155 | 123 |
| Rain (mm) | 126 | 90 | 87 | 60 | 60 | 76 | 55 | 63 | 84 | 109 | 116 | 120 |
| Wind (kn) | 10.3 | 10.9 | 10.3 | 8.5 | 8 | 7.5 | 7.9 | 7.8 | 8.3 | 9.2 | 10.3 | 11 |
| Gusts (kn) | 27.7 | 28.7 | 27.4 | 23.8 | 23.4 | 21.7 | 22.8 | 22.3 | 23.5 | 25.2 | 27.6 | 28.8 |
| Sea (°C) | 9.9 | 10 | 10.5 | 12.2 | 14.4 | 17.1 | 18.8 | 19.5 | 17.9 | 15.9 | 13.5 | 11.2 |
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
11°·298 h·69 mm
8.9 kn·Sea 12°
Summer
June – August
17°·344 h·65 mm
7.7 kn·Sea 18°
Autumn
September – November
14°·214 h·103 mm
9.3 kn·Sea 16°
Winter
December – February
8°·138 h·112 mm
10.7 kn·Sea 10°
