The temperatures in Sierra Nevada in December are quite cold with temperatures between 7°C and 19°C, warm clothes are a must.
The wather in Sierra Nevada in December can vary between cold and nice weather days. Expect a few rainy days but usually not more than 3.
Our weather forecast can give you a great sense of what weather to expect in Sierra Nevada in December 2025.
If you’re planning to visit Sierra Nevada in the near future, we highly recommend that you review the 14 day weather forecast for Sierra Nevada before you arrive.
Temperatures
19° / 7°
Rainy Days
1
Snowy Days
0
Dry Days
29
Rainfall
17
mm
Sun Hours
11.6
Hrs