The temperatures in Tregastel in December are quite cold with temperatures between 8°C and 11°C, warm clothes are a must.
You can expect rain for roughly half of the month of December in Tregastel. 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 Tregastel can expect a few days of snow in December.
Our weather forecast can give you a great sense of what weather to expect in Tregastel in December 2025.
If you’re planning to visit Tregastel in the near future, we highly recommend that you review the 14 day weather forecast for Tregastel before you arrive.
Temperatures
11° / 8°
Rainy Days
11
Snowy Days
1
Dry Days
19
Rainfall
184
mm
Sun Hours
3.2
Hrs
