The temperatures in Costa Rei in December are usually low and can range between 10°C and 15°C.
Costa Rei 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 Costa Rei in December 2025.
If you’re planning to visit Costa Rei in the near future, we highly recommend that you review the 14 day weather forecast for Costa Rei before you arrive.
Temperatures
15° / 10°
Rainy Days
2
Snowy Days
0
Dry Days
29
Rainfall
50
mm
Sun Hours
11.1
Hrs