May in Hesperia averages a daily high of 28.3°C with nights around 10.4°C. Rain is rare — about 0.8 wet days and 2mm across the month. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Hesperia is March–May.
Based on VICTORVILLE, CA US (11km), 1995–2024. 26 years of May data.