In December, Saint-Jerome typically sees daytime highs of -5.0°C and overnight lows around -14.2°C. Compared to the annual average high of 9.2°C, December runs -14.2°C.
December in Saint-Jerome averages a daytime high of -5.0°C and an overnight low of -14.2°C.
December runs -14.2°C compared to Saint-Jerome's annual average high of 9.2°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near -5.0°C and cooler evenings around -14.2°C.