The temperatures in Biarritz in October are usually low and can range between 13°C and 20°C.
You can expect about 3 to 8 days of rain in Biarritz during the month of October. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Biarritz in October 2025.
If you’re planning to visit Biarritz in the near future, we highly recommend that you review the 14 day weather forecast for Biarritz before you arrive.
Temperatures
20° / 13°
Rainy Days
6
Snowy Days
0
Dry Days
25
Rainfall
111
mm
Sun Hours
10.2
Hrs