The temperatures in Diano Marina in December 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 Diano Marina 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.
Our weather forecast can give you a great sense of what weather to expect in Diano Marina in December 2025.
If you’re planning to visit Diano Marina in the near future, we highly recommend that you review the 14 day weather forecast for Diano Marina before you arrive.
Temperatures
11° / 7°
Rainy Days
5
Snowy Days
0
Dry Days
25
Rainfall
108
mm
Sun Hours
7.1
Hrs