The temperatures in Concarneau in August are comfortable with low of 16°C and and high up to 20°C.
You can expect about 3 to 8 days of rain in Concarneau 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 Concarneau in August 2026.
If you’re planning to visit Concarneau in the near future, we highly recommend that you review the 14 day weather forecast for Concarneau before you arrive.
Temperatures
20° / 16°
Rainy Days
4
Snowy Days
0
Dry Days
27
Rainfall
72
mm
Sun Hours
10.3
Hrs
