In December, Monrovia typically sees daytime highs of 29.9°C and overnight lows around 22.7°C. Compared to the annual average high of 29.6°C, December runs +0.3°C.
December in Monrovia averages a daytime high of 29.9°C and an overnight low of 22.7°C.
December runs +0.3°C compared to Monrovia's annual average high of 29.6°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 29.9°C and cooler evenings around 22.7°C.