In December, Murrieta typically sees daytime highs of 19.8°C and overnight lows around 3.6°C. Compared to the annual average high of 25.9°C, December runs -6.1°C.
December in Murrieta averages a daytime high of 19.8°C and an overnight low of 3.6°C.
December runs -6.1°C compared to Murrieta's annual average high of 25.9°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 19.8°C and cooler evenings around 3.6°C.