In December, Sault Ste. Marie typically sees daytime highs of -2.8°C and overnight lows around -11.2°C. Compared to the annual average high of 9.1°C, December runs -12.0°C.
December in Sault Ste. Marie averages a daytime high of -2.8°C and an overnight low of -11.2°C.
December runs -12.0°C compared to Sault Ste. Marie's annual average high of 9.1°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near -2.8°C and cooler evenings around -11.2°C.