In December, Eastvale typically sees daytime highs of 19.4°C and overnight lows around 5.4°C. Compared to the annual average high of 24.5°C, December runs -5.0°C.
December in Eastvale averages a daytime high of 19.4°C and an overnight low of 5.4°C.
December runs -5.0°C compared to Eastvale's annual average high of 24.5°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 19.4°C and cooler evenings around 5.4°C.