July in Provo averages a daily high of 35.3°C with nights around 17.2°C. Expect roughly 4.4 wet days totalling 11.3mm. Generally workable, with some weather to plan around.
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 July data.