May in Waterford averages a daily high of 20.7°C with nights around 8.9°C. Expect roughly 12.6 wet days totalling 89.7mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Waterford is May–September.
Based on PONTIAC OAKLAND CO INTERNATIONAL AIRPORT, MI US (3.3km), 1995–2024. 25 years of May data.