May in Vancouver averages a daily high of 20.3°C with nights around 9°C. Expect roughly 12.7 wet days totalling 59.7mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Vancouver is July–September.
Based on VANCOUVER PEARSON AIRPORT, WA US (2km), 1995–2024. 28 years of May data.