In January, Saint-Jerome typically sees daytime highs of -7.4°C and overnight lows around -17.9°C. Compared to the annual average high of 9.2°C, January runs -16.6°C.
January in Saint-Jerome averages a daytime high of -7.4°C and an overnight low of -17.9°C.
January runs -16.6°C compared to Saint-Jerome's annual average high of 9.2°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near -7.4°C and cooler evenings around -17.9°C.