The temperatures in San Giljan in December are comfortable with low of 60°F and and high up to 62°F.
You can expect about 3 to 8 days of rain in San Giljan 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 San Giljan in December 2025.
If you’re planning to visit San Giljan in the near future, we highly recommend that you review the 14 day weather forecast for San Giljan before you arrive.
Temperatures
62° / 60°
Rainy Days
4
Snowy Days
0
Dry Days
27
Rainfall
3.5
in
Sun Hours
10.7
Hrs
