Climate Insights for Batz-sur-Mer

The climate in Batz-sur-Mer is temperate. The average annual temperature is 14°C and approximately 776mm of precipitation falls per year. Batz-sur-Mer receives a notable amount of rainfall throughout the year, including during its driest month. Batz-sur-Mer is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, February, March, when temperatures can drop to 7°C.

Batz-sur-Mer sees moderate temperature variation throughout the year, ranging from 7°C to 20°C. August is the warmest month, though highs remain moderate at 20°C with a mean of 19°C. January is the coolest month, with minimum temperatures around 7°C and an average of 9°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows. The sharpest temperature change occurs between October and November, with a 3°C shift in average temperatures.

Batz-sur-Mer is a relatively dry area, receiving approximately 776mm of precipitation annually, which averages out to around 65mm per month. The wettest month is November, averaging 105mm of rainfall. December and October also tend to see above-average precipitation. The driest month is July, with just 34mm. That's 71mm less than November, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Batz-sur-Mer is very windy, with an average annual wind speed of 31km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 36km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in August, with average winds dropping to 26km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 10km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 35km/h in winter, 30km/h in spring, 27km/h in summer, 32km/h in autumn.

It is currently spring in Batz-sur-Mer, which began on March 20, 2026. Batz-sur-Mer is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 20°C, while the coldest stretch bottoms out in January near 7°C. Summer is next, beginning on June 21, 2026 — 88 days from now.

The best time to visit Batz-sur-Mer is during June, July, August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 52mm per month. By contrast, January can be quite cold with temperatures dropping to 7°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Batz-sur-Mer based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.