Biarritz, where it's located

The climate of Biarritz is oceanic, with mild winters and warm summers.
The city is located in the southernmost part of the French Atlantic coast, a short distance from the Spanish border, in a very rainy area, also due to its proximity to the Pyrenees.
The average temperature of the coldest month (January) is of 8.4 °C (47 °F), that of the warmest month (August) is of 20.9 °C (70 °F). Here are the average temperatures.
Biarritz - Average temperatures
Min (°C)557812151717141276
Max (°C)121315162022242523201512
Min (°F)414145465459636357544543
Max (°F)545559616872757773685954

Precipitation amounts to 1,450 millimeters (57.1 inches) per year. It ranges from 70 mm (2.8 in) in the driest month (July) to 185 mm (7.3 in) in the wettest (November). Here is the average precipitation.
Biarritz - Average precipitation

On average, there are around 1,920 sunshine hours per year. Here are the average sunshine hours per day.
Biarritz - Sunshine

The sea temperature ranges between 12 °C (54 °F) and 22 °C (72 °F). Therefore, the sea never gets warm, but it is less cold than in Brittany or in northern France, and all in all, in July and August you can try swimming. Here are the average sea temperatures.
Biarritz - Sea temperature
Temp (°C)131212131518212220181514
Temp (°F)555454555964707268645957


Best Time

The best time to visit Biarritz runs from mid-May to mid-September, since it is the warmest and sunniest period of the year.