May in Largo averages a daily high of 31°C with nights around 21.4°C. Expect roughly 6 wet days totalling 63.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Largo is November–April.
Based on ST PETERSBURG CLEARWATER INTERNATIONAL AIRPORT, FL US (10.1km), 1995–2024. 25 years of May data.