The temperatures in Douarnenez in December are quite cold with temperatures between 7°C and 11°C, warm clothes are a must.
You can expect rain for roughly half of the month of December in Douarnenez. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Please note that Douarnenez can expect a few days of snow in December.
Our weather forecast can give you a great sense of what weather to expect in Douarnenez in December 2025.
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
11° / 7°
Rainy Days
10
Snowy Days
1
Dry Days
20
Rainfall
189
mm
Sun Hours
7.2
Hrs