The temperatures in Bayonne in August are comfortable with low of 17°C and and high up to 25°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 2026.
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
25° / 17°
Rainy Days
5
Snowy Days
0
Dry Days
26
Rainfall
96
mm
Sun Hours
10.5
Hrs
