May in Fresno averages a daily high of 29°C with nights around 13.9°C. Rain is rare — about 2.6 wet days and 10mm across the month. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Fresno is April.
Based on FRESNO YOSEMITE INTERNATIONAL, CA US (5.9km), 1995–2024. 30 years of May data.