The temperatures in Cassis in January are quite cold with temperatures between 7°C and 11°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Cassis during the month of January. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Cassis in January 2026.
If you’re planning to visit Cassis in the near future, we highly recommend that you review the 14 day weather forecast for Cassis before you arrive.
Temperatures
11° / 7°
Rainy Days
5
Snowy Days
0
Dry Days
26
Rainfall
84
mm
Sun Hours
10.1
Hrs
