The temperatures in Douarnenez in May are quite cold with temperatures between 9°C and 16°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Douarnenez 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 Douarnenez in May 2026.
If you’re planning to visit Douarnenez in the near future, we highly recommend that you review the 14 day weather forecast for Douarnenez before you arrive.
Temperatures
16° / 9°
Rainy Days
4
Snowy Days
0
Dry Days
27
Rainfall
78
mm
Sun Hours
9.0
Hrs
