May in Gainesville averages a daily high of 31°C with nights around 17.2°C. Expect roughly 7 wet days totalling 75.9mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Gainesville is October–April.
Based on GAINESVILLE REGIONAL AIRPORT, FL US (6.5km), 1995–2024. 30 years of May data.