- Challans ›
- Weather by month
Challans Weather by Month
Average temperatures, rainfall and humidity for Challans, France, month by month, built from OpenWeather's historical records. Use it to see what a typical Challans month looks like before you travel — then check the live Challans forecast for the days ahead.
Warmest month
July
26°C average high
Coolest month
January
4°C average low
Wettest month
November
58 mm of rain
Driest month
July
14 mm of rain
Average temperature and rainfall in Challans 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 | 9°C | 4°C | -9°C / 16°C | 55 mm | 88% | 14 km/h |
| February | 11°C | 4°C | -7°C / 21°C | 43 mm | 84% | 15 km/h |
| March | 13°C | 5°C | -3°C / 24°C | 41 mm | 78% | 14 km/h |
| April | 17°C | 7°C | -2°C / 28°C | 35 mm | 72% | 13 km/h |
| May | 20°C | 10°C | 2°C / 35°C | 31 mm | 74% | 13 km/h |
| June | 24°C | 14°C | 7°C / 44°C | 30 mm | 72% | 12 km/h |
| July | 26°C | 15°C | 8°C / 42°C | 14 mm | 69% | 12 km/h |
| August | 26°C | 15°C | 7°C / 41°C | 25 mm | 72% | 11 km/h |
| September | 23°C | 12°C | 4°C / 35°C | 27 mm | 76% | 11 km/h |
| October | 18°C | 10°C | 1°C / 30°C | 42 mm | 84% | 12 km/h |
| November | 13°C | 7°C | -2°C / 21°C | 58 mm | 87% | 13 km/h |
| December | 11°C | 5°C | -6°C / 17°C | 45 mm | 88% | 14 km/h |
Best time to visit Challans
The most comfortable time to visit Challans is generally June and August 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 446 mm a year.
Travellers who prefer heat should aim for July, when highs average 26°C. November is the month to avoid if rain would spoil your plans — it averages 58 mm, roughly 4× the rainfall of July.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Challans forecast for what is happening now.