May in Jupiter averages a daily high of 29.9°C with nights around 22.2°C. Expect roughly 9.8 wet days totalling 184.7mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Jupiter is November–April.
Based on JUNO BEACH, FL US (9.1km), 1995–2024. 19 years of May data.