In December, Ventura typically sees daytime highs of 17.8°C and overnight lows around 4.6°C. Compared to the annual average high of 21.9°C, December runs -4.2°C.
December in Ventura averages a daytime high of 17.8°C and an overnight low of 4.6°C.
December runs -4.2°C compared to Ventura's annual average high of 21.9°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 17.8°C and cooler evenings around 4.6°C.