In December, Eau Claire typically sees daytime highs of -2.9°C and overnight lows around -12.2°C. Compared to the annual average high of 12.2°C, December runs -15.0°C.
December in Eau Claire averages a daytime high of -2.9°C and an overnight low of -12.2°C.
December runs -15.0°C compared to Eau Claire's annual average high of 12.2°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near -2.9°C and cooler evenings around -12.2°C.