Climate
Climate in Bayonne
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 June to September.
8°
Jan
10°
Feb
11°
Mar
13°
Apr
16°
May
19°
Jun
21°
Jul
22°
Aug
19°
Sep
17°
Oct
12°
Nov
10°
Dec
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air (°C) | 8.3 | 9.9 | 11.3 | 13.3 | 15.9 | 19.3 | 21 | 21.5 | 19.4 | 16.7 | 12.1 | 10.1 |
| Sunshine (h) | 173 | 200 | 267 | 290 | 343 | 337 | 374 | 360 | 303 | 242 | 185 | 162 |
| Rain (mm) | 153 | 118 | 131 | 116 | 110 | 112 | 63 | 71 | 121 | 115 | 218 | 172 |
| Wind (kn) | 6.9 | 6.4 | 6.7 | 6.1 | 6 | 5.6 | 5.3 | 5.1 | 5.3 | 5.8 | 6.6 | 6.8 |
| Gusts (kn) | 21.5 | 21.3 | 22.4 | 21.1 | 20.6 | 20.1 | 19.2 | 19 | 18.8 | 19.4 | 21 | 21.3 |
| Sea (°C) | 12.5 | 12.4 | 13.2 | 15.1 | 17.7 | 21.6 | 23.7 | 24.3 | 22.3 | 19.7 | 16.5 | 13.9 |
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
14°·300 h·119 mm
6.3 kn·Sea 15°
Summer
June – August
21°·357 h·82 mm
5.3 kn·Sea 23°
Autumn
September – November
16°·243 h·151 mm
5.9 kn·Sea 20°
Winter
December – February
9°·178 h·148 mm
6.7 kn·Sea 13°
