May in Saanich averages a daily high of 16.7°C with nights around 8.1°C. Expect roughly 10.7 wet days totalling 37.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Saanich is July–August.
Based on SAANICHTON CDA, BC CA (8.2km), 1995–2024. 25 years of May data.