Biarritz Climate by Month
Biarritz has a temperate maritime climate. The weather in Biarritz is strongly influenced by the currents in the Bay of Biscay. This causes very unstable weather, especially during spring and autumn. During summers it is often wonderfully warm. The seawater temperature in July/August is between 21°C and 22°C.
Biarritz is one also of the wettest cities in France. The annual precipitation averages around 1450 mm. This is more than double compared to for example Paris. The last three months of the year are the wettest period. The summer months of June, July and August are the driest months and the best month to visit Biarritz.
Average day and night temperature
The climate in Biarritz is known for significant temperature differences throughout the year, making the weather dynamic. Typically, daytime temperatures range from a comfortable 25°C in August to a moderate 13°C in the coolest month, February. Nights are cooler, with temperatures generally dropping to 7°C, particularly during the colder months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Biarritz has a notably wet climate with abundant precipitation, recording 1350 mm of rainfall per year. The climate in Biarritz shows significant variation throughout the year. Expect heavy rainfall in November, with an average of 172 mm of precipitation over 16 rainy days. In contrast, July offers drier and sunnier days, with around 72 mm of rainfall over 12 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
Sunshine over the year
For those who appreciate different seasons, Biarritz serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 7.0 hours of sunshine daily, and embrace the darker days in December, offering only 3.0 hours of daily sunlight.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is moderate throughout the year in Biarritz.
Relative humidity over the year
The best time of year to visit Biarritz in France
During the months of June, July, August, September and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
August has an average maximum temperature of 25°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of 13°C.
November tops the wettest month list with 172 mm of rainfall.
July is the driest month with 72 mm of precipitation.
July is the sunniest month with an average of 211 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.