May in Brossard averages a daily high of 20.8°C with nights around 7.9°C. Expect roughly 10.6 wet days totalling 81.7mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Brossard is May–September.
Based on LAPRAIRIE, QC CA (7.8km), 1995–2024. 13 years of May data.