In January, Saint-Jean-sur-Richelieu typically sees daytime highs of -5.3°C and overnight lows around -14.8°C. Compared to the annual average high of 11.2°C, January runs -16.5°C.
January in Saint-Jean-sur-Richelieu averages a daytime high of -5.3°C and an overnight low of -14.8°C.
January runs -16.5°C compared to Saint-Jean-sur-Richelieu's annual average high of 11.2°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near -5.3°C and cooler evenings around -14.8°C.