The temperatures in San Martin de los Andes in December are quite cold with temperatures between 6°C and 21°C, warm clothes are a must.
The wather in San Martin de los Andes 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 San Martin de los Andes in December 2025.
If you’re planning to visit San Martin de los Andes in the near future, we highly recommend that you review the 14 day weather forecast for San Martin de los Andes before you arrive.
Temperatures
21° / 6°
Rainy Days
2
Snowy Days
0
Dry Days
29
Rainfall
36
mm
Sun Hours
11.7
Hrs
