The temperatures in Concarneau in May are usually low and can range between 11°C and 15°C.
You can expect about 3 to 8 days of rain in Concarneau during the month of May. 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 May 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
15° / 11°
Rainy Days
4
Snowy Days
0
Dry Days
27
Rainfall
70
mm
Sun Hours
10.0
Hrs
