August in Orem averages a daily high of 33.7°C with nights around 16.3°C. Expect roughly 5.2 wet days totalling 20.3mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Orem is September–October.
Based on PROVO BYU, UT US (6.8km), 1995–2024. 30 years of August data.