May in Provo averages a daily high of 24°C with nights around 8.4°C. Expect roughly 8.9 wet days totalling 46.8mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Provo is September–October.
Based on PROVO BYU, UT US (1.5km), 1995–2024. 30 years of May data.