May in Westland averages a daily high of 21.5°C with nights around 10.2°C. Expect roughly 12.9 wet days totalling 94mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Westland is May–June.
Based on DETROIT METRO AIRPORT, MI US (11.8km), 1995–2024. 30 years of May data.