The weather in Bayonne in August is hot. The average temperatures are between 22°C and 27°C.
You can expect about 3 to 8 days of rain in Bayonne during the month of August. 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 Bayonne in August 2025.
If you’re planning to visit Bayonne in the near future, we highly recommend that you review the 14 day weather forecast for Bayonne before you arrive.
Temperatures
27° / 22°
Rainy Days
5
Snowy Days
0
Dry Days
26
Rainfall
122
mm
Sun Hours
11.1
Hrs
