In December, Saint George typically sees daytime highs of 11.9°C and overnight lows around -1.7°C. Compared to the annual average high of 23.7°C, December runs -11.8°C.
December in Saint George averages a daytime high of 11.9°C and an overnight low of -1.7°C.
December runs -11.8°C compared to Saint George's annual average high of 23.7°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 11.9°C and cooler evenings around -1.7°C.