May in Palm Harbor averages a daily high of 30.4°C with nights around 20.6°C. Expect roughly 5.6 wet days totalling 50.3mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Palm Harbor is November–April.
Based on TARPON SPGS SEWAGE PLANT, FL US (8.3km), 1995–2024. 30 years of May data.