The temperatures in Rancagua in January are comfortable with low of 10°C and and high up to 29°C.
The wather in Rancagua in January 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 Rancagua in January 2026.
If you’re planning to visit Rancagua in the near future, we highly recommend that you review the 14 day weather forecast for Rancagua before you arrive.
Temperatures
29° / 10°
Rainy Days
1
Snowy Days
0
Dry Days
30
Rainfall
13
mm
Sun Hours
11.9
Hrs
