In December, Moncton typically sees daytime highs of -1.4°C and overnight lows around -10.4°C. Compared to the annual average high of 10.5°C, December runs -12.0°C.
December in Moncton averages a daytime high of -1.4°C and an overnight low of -10.4°C.
December runs -12.0°C compared to Moncton's annual average high of 10.5°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near -1.4°C and cooler evenings around -10.4°C.