May in Brampton averages a daily high of 19.5°C with nights around 5.5°C. Expect roughly 10.2 wet days totalling 71.6mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Brampton is May–September.
Based on GEORGETOWN WWTP, ON CA (10.9km), 1995–2024. 20 years of May data.