The temperatures in La Roche Sur Yon in December are quite cold with temperatures between 5°C and 10°C, warm clothes are a must.
You can expect rain for roughly half of the month of December in La Roche Sur Yon. 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 La Roche Sur Yon can expect a few days of snow in December.
Our weather forecast can give you a great sense of what weather to expect in La Roche Sur Yon in December 2025.
If you’re planning to visit La Roche Sur Yon in the near future, we highly recommend that you review the 14 day weather forecast for La Roche Sur Yon before you arrive.
Temperatures
10° / 5°
Rainy Days
8
Snowy Days
1
Dry Days
22
Rainfall
118
mm
Sun Hours
8.4
Hrs