May in Apple Valley averages a daily high of 20.7°C with nights around 8.9°C. Expect roughly 10.9 wet days totalling 84.9mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Apple Valley is August–September.
Based on FARMINGTON 3 NW, MN US (8km), 1995–2024. 16 years of May data.