August in Lehi averages a daily high of 31.9°C with nights around 14.2°C. Expect roughly 5.2 wet days totalling 25.5mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Lehi is May–June.
Based on UTAH LAKE LEHI, UT US (5.3km), 1995–2024. 19 years of August data.