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Bayonne Weather by Month
Average temperatures, rainfall and humidity for Bayonne, France, month by month, built from OpenWeather’s historical records. Use it to see what a typical Bayonne month looks like before you travel — then check the live Bayonne forecast for the days ahead.
Warmest month
August
26°C average high
Coolest month
January
5°C average low
Wettest month
November
137 mm of rain
Driest month
July
42 mm of rain
Average temperature and rainfall in Bayonne by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 12°C | 5°C | -6°C / 24°C | 124 mm | 78% | 10 km/h |
| February | 13°C | 6°C | -6°C / 27°C | 124 mm | 76% | 11 km/h |
| March | 15°C | 7°C | -1°C / 28°C | 107 mm | 72% | 10 km/h |
| April | 17°C | 10°C | 1°C / 31°C | 75 mm | 73% | 9 km/h |
| May | 19°C | 12°C | 3°C / 35°C | 104 mm | 76% | 9 km/h |
| June | 23°C | 15°C | 7°C / 41°C | 81 mm | 80% | 8 km/h |
| July | 25°C | 18°C | 8°C / 40°C | 42 mm | 79% | 7 km/h |
| August | 26°C | 17°C | 8°C / 41°C | 61 mm | 79% | 7 km/h |
| September | 24°C | 15°C | 8°C / 38°C | 65 mm | 78% | 8 km/h |
| October | 21°C | 13°C | 1°C / 34°C | 79 mm | 76% | 8 km/h |
| November | 16°C | 9°C | -3°C / 28°C | 137 mm | 78% | 10 km/h |
| December | 14°C | 7°C | -6°C / 26°C | 102 mm | 77% | 10 km/h |
Best time to visit Bayonne
The most comfortable time to visit Bayonne is generally July to September, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rain concentrates around November, totalling about 1,102 mm a year.
Travellers who prefer heat should aim for August, when highs average 26°C. November is the month to avoid if rain would spoil your plans — it averages 137 mm, roughly 3× the rainfall of the driest month (July).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Bayonne forecast for what is happening now.
Weather across France right now
- Aix-en-Provence32°C
- Amiens19°C
- Angers21°C
- Annecy26°C
- Bordeaux25°C
- Brest20°C
- Clermont-Ferrand24°C
- Dijon21°C
- Grenoble29°C
- Le Havre19°C
- Le Mans20°C
- Lille19°C
- Limoges25°C
- Lyon27°C
- Marseille30°C
- Metz20°C
- Montpellier31°C
- Nantes23°C
- Nice27°C
- Nîmes32°C
- Orléans20°C
- Paris20°C
- Perpignan35°C
- Reims20°C
- Rennes21°C
- Rouen19°C
- Saint-Étienne24°C
- Strasbourg22°C
- Toulon36°C
- Toulouse24°C
- Tours22°C
- Villeurbanne27°C
