May in Lexington averages a daily high of 24.1°C with nights around 12.9°C. Expect roughly 12.8 wet days totalling 138.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Lexington is September–October.
Based on LEXINGTON BLUEGRASS AIRPORT, KY US (12.7km), 1995–2024. 30 years of May data.