The temperatures in Rancagua in March are quite cold with temperatures between 9°C and 27°C, warm clothes are a must.
The wather in Rancagua in March 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 March 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
27° / 9°
Rainy Days
1
Snowy Days
0
Dry Days
31
Rainfall
7
mm
Sun Hours
11.8
Hrs
