In December, Manteca typically sees daytime highs of 12.9°C and overnight lows around 2.9°C. Compared to the annual average high of 23.7°C, December runs -10.8°C.
December in Manteca averages a daytime high of 12.9°C and an overnight low of 2.9°C.
December runs -10.8°C compared to Manteca's annual average high of 23.7°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 12.9°C and cooler evenings around 2.9°C.