May in Minnetonka averages a daily high of 20°C with nights around 8.6°C. Expect roughly 12.7 wet days totalling 111.9mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Minnetonka is May–September.
Based on CHANHASSEN WSFO, MN US (8.6km), 1995–2024. 29 years of May data.