The weather in Chaco in December is hot. The average temperatures are between 21°C and 34°C.
You can expect about 3 to 8 days of rain in Chaco 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 Chaco in December 2025.
If you’re planning to visit Chaco in the near future, we highly recommend that you review the 14 day weather forecast for Chaco before you arrive.
Temperatures
34° / 21°
Rainy Days
7
Snowy Days
0
Dry Days
24
Rainfall
163
mm
Sun Hours
11.2
Hrs