In June, Saint-Jean-sur-Richelieu typically sees daytime highs of 23.9°C and overnight lows around 12.3°C. Compared to the annual average high of 11.2°C, June runs +12.6°C.
June in Saint-Jean-sur-Richelieu averages a daytime high of 23.9°C and an overnight low of 12.3°C.
June runs +12.6°C compared to Saint-Jean-sur-Richelieu's annual average high of 11.2°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 23.9°C and cooler evenings around 12.3°C.