In December, Rancagua typically sees daytime highs of 24.7°C and overnight lows around 10.9°C. Compared to the annual average high of 19.1°C, December runs +5.6°C.
December in Rancagua averages a daytime high of 24.7°C and an overnight low of 10.9°C.
December runs +5.6°C compared to Rancagua's annual average high of 19.1°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 24.7°C and cooler evenings around 10.9°C.