The temperatures in Terrassa in December are quite cold with temperatures between 7°C and 13°C, warm clothes are a must.
Terrassa 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 Terrassa in December 2025.
If you’re planning to visit Terrassa in the near future, we highly recommend that you review the 14 day weather forecast for Terrassa before you arrive.
Temperatures
13° / 7°
Rainy Days
2
Snowy Days
0
Dry Days
29
Rainfall
37
mm
Sun Hours
11.2
Hrs