May in Hoover averages a daily high of 28.5°C with nights around 15.7°C. Expect roughly 9.7 wet days totalling 114.5mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Hoover is March–April.
Based on HELENA, AL US (14.9km), 1995–2024. 18 years of May data.