In December, Valle de Santiago typically sees daytime highs of 23.3°C and overnight lows around 6.3°C. Compared to the annual average high of 26.5°C, December runs -3.3°C.
December in Valle de Santiago averages a daytime high of 23.3°C and an overnight low of 6.3°C.
December runs -3.3°C compared to Valle de Santiago's annual average high of 26.5°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near 23.3°C and cooler evenings around 6.3°C.