May in Lansing averages a daily high of 20.8°C with nights around 8.4°C. Expect roughly 12.7 wet days totalling 95.7mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Lansing is May–September.
Based on LANSING CAPITAL CITY AIRPORT, MI US (6km), 1995–2024. 30 years of May data.