In December, Norman typically sees daytime highs of 11.6°C and overnight lows around -1.2°C. Compared to the annual average high of 22.8°C, December runs -11.2°C.
December in Norman averages a daytime high of 11.6°C and an overnight low of -1.2°C.
December runs -11.2°C compared to Norman's annual average high of 22.8°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 11.6°C and cooler evenings around -1.2°C.