In April, Saint-Jean-sur-Richelieu typically sees daytime highs of 11.0°C and overnight lows around 0.4°C. Compared to the annual average high of 11.2°C, April runs -0.2°C.
April in Saint-Jean-sur-Richelieu averages a daytime high of 11.0°C and an overnight low of 0.4°C.
April runs -0.2°C compared to Saint-Jean-sur-Richelieu's annual average high of 11.2°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 11.0°C and cooler evenings around 0.4°C.