Climate Insights for Biscarrosse

The climate in Biscarrosse is temperate. The average annual temperature is 15°C and approximately 962mm of precipitation falls per year. Biscarrosse receives a notable amount of rainfall throughout the year, including during its driest month. Biscarrosse 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, December, when temperatures can drop to 7°C.

Biscarrosse sees moderate temperature variation throughout the year, ranging from 7°C to 25°C. August is the warmest month, though highs remain moderate at 25°C with a mean of 22°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 5°C between highs and lows. The sharpest temperature change occurs between October and November, with a 4°C shift in average temperatures.

Biscarrosse is a moderately rainy area, receiving approximately 962mm of precipitation annually, which averages out to around 80mm per month. The wettest month is November, averaging 123mm of rainfall. December and January also tend to see above-average precipitation. The driest month is July, with just 30mm. That's 92mm less than November, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.

Biscarrosse is mildly breezy, with an average annual wind speed of 14km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 17km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 13km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/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 16km/h in winter, 15km/h in spring, 13km/h in summer, 14km/h in autumn.

It is currently autumn in Biscarrosse, which began on September 23, 2026. Biscarrosse 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 25°C, while the coldest stretch bottoms out in January near 7°C. Winter is next, beginning on December 21, 2026 (87 days from now).

The best time to visit Biscarrosse is during May, June, July, August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 67mm 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 Biscarrosse 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.