The temperatures in Chillan in December are comfortable with low of 11°C and and high up to 29°C.
The wather in Chillan 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 Chillan in December 2025.
If you’re planning to visit Chillan in the near future, we highly recommend that you review the 14 day weather forecast for Chillan before you arrive.
Temperatures
29° / 11°
Rainy Days
1
Snowy Days
0
Dry Days
30
Rainfall
27
mm
Sun Hours
11.6
Hrs