The weather in San Carlos de Bariloche in December is very cold with temperatures between 4°C and 16°C, warm clothes are a must.
The wather in San Carlos de Bariloche 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 Carlos de Bariloche in December 2025.
If you’re planning to visit San Carlos de Bariloche in the near future, we highly recommend that you review the 14 day weather forecast for San Carlos de Bariloche before you arrive.
Temperatures
16° / 4°
Rainy Days
2
Snowy Days
0
Dry Days
29
Rainfall
33
mm
Sun Hours
11.6
Hrs