In December, Salt Lake City typically sees daytime highs of 2.6°C and overnight lows around -7.0°C. Compared to the annual average high of 15.6°C, December runs -13.0°C.
December in Salt Lake City averages a daytime high of 2.6°C and an overnight low of -7.0°C.
December runs -13.0°C compared to Salt Lake City's annual average high of 15.6°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 2.6°C and cooler evenings around -7.0°C.