May in Lehi averages a daily high of 21.4°C with nights around 6.8°C. Expect roughly 7.7 wet days totalling 28.9mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Lehi is May–June.
Based on UTAH LAKE LEHI, UT US (5.3km), 1995–2024. 18 years of May data.