The temperatures in Sitges in December are quite cold with temperatures between 9°C and 13°C, warm clothes are a must.
Sitges is going to be cold and wet in the month of December. Expect low temperatures and a few days of rain, so be sure to bundle up to avoid catching a cold.
Our weather forecast can give you a great sense of what weather to expect in Sitges in December 2025.
If you’re planning to visit Sitges in the near future, we highly recommend that you review the 14 day weather forecast for Sitges before you arrive.
Temperatures
13° / 9°
Rainy Days
2
Snowy Days
0
Dry Days
29
Rainfall
46
mm
Sun Hours
11.0
Hrs