May in Lee's Summit averages a daily high of 23.5°C with nights around 12.4°C. Expect roughly 12.4 wet days totalling 139.1mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Lee's Summit is April–June.
Based on LEES SUMMIT REED WLR, MO US (4km), 1995–2024. 16 years of May data.