The weather in Mont Saint Michel in December is very cold with temperatures between 4°C and 9°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Mont Saint Michel during the month of December. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Please note that Mont Saint Michel can expect a few days of snow in December.
Our weather forecast can give you a great sense of what weather to expect in Mont Saint Michel in December 2025.
If you’re planning to visit Mont Saint Michel in the near future, we highly recommend that you review the 14 day weather forecast for Mont Saint Michel before you arrive.
Temperatures
9° / 4°
Rainy Days
7
Snowy Days
1
Dry Days
22
Rainfall
83
mm
Sun Hours
7.8
Hrs
