In December, Hesperia typically sees daytime highs of 13.7°C and overnight lows around 0.4°C. Compared to the annual average high of 22.5°C, December runs -8.8°C.
December in Hesperia averages a daytime high of 13.7°C and an overnight low of 0.4°C.
December runs -8.8°C compared to Hesperia's annual average high of 22.5°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 13.7°C and cooler evenings around 0.4°C.