In December, Greater Sudbury typically sees daytime highs of -4.6°C and overnight lows around -14.2°C. Compared to the annual average high of 9.6°C, December runs -14.2°C.
December in Greater Sudbury averages a daytime high of -4.6°C and an overnight low of -14.2°C.
December runs -14.2°C compared to Greater Sudbury's annual average high of 9.6°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near -4.6°C and cooler evenings around -14.2°C.