The temperatures in Saint Jean de Monts in January are quite cold with temperatures between 6°C and 9°C, warm clothes are a must.
You can expect rain for roughly half of the month of January in Saint Jean de Monts. 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 Saint Jean de Monts can expect a few days of snow in January.
Our weather forecast can give you a great sense of what weather to expect in Saint Jean de Monts in January 2026.
If you’re planning to visit Saint Jean de Monts in the near future, we highly recommend that you review the 14 day weather forecast for Saint Jean de Monts before you arrive.
Temperatures
9° / 6°
Rainy Days
9
Snowy Days
1
Dry Days
22
Rainfall
137
mm
Sun Hours
7.7
Hrs
