In December, West Valley City typically sees daytime highs of 2.4°C and overnight lows around -7.1°C. Compared to the annual average high of 15.4°C, December runs -13.0°C.
December in West Valley City averages a daytime high of 2.4°C and an overnight low of -7.1°C.
December runs -13.0°C compared to West Valley City's annual average high of 15.4°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 2.4°C and cooler evenings around -7.1°C.