The weather in Aysen in December is very cold with temperatures between 3°C and 13°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Aysen during the month of December. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Aysen in December 2025.
If you’re planning to visit Aysen in the near future, we highly recommend that you review the 14 day weather forecast for Aysen before you arrive.
Temperatures
13° / 3°
Rainy Days
7
Snowy Days
0
Dry Days
24
Rainfall
102
mm
Sun Hours
10.5
Hrs