May in La Haute-Saint-Charles averages a daily high of 17.5°C with nights around 5.5°C. Expect roughly 12.4 wet days totalling 86.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit La Haute-Saint-Charles is June–September.
Based on QUEBEC JEAN LESAGE INTERNATIONAL, QC CA (10.1km), 1995–2024. 28 years of May data.