In March, Saint-Jean-sur-Richelieu typically sees daytime highs of 2.3°C and overnight lows around -7.0°C. Compared to the annual average high of 11.2°C, March runs -8.9°C.
March in Saint-Jean-sur-Richelieu averages a daytime high of 2.3°C and an overnight low of -7.0°C.
March runs -8.9°C compared to Saint-Jean-sur-Richelieu's annual average high of 11.2°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 2.3°C and cooler evenings around -7.0°C.