May in Berkeley averages a daily high of 21.1°C with nights around 9.9°C. Expect roughly 3.2 wet days totalling 19.2mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Berkeley is May–October.
Based on BERKELEY, CA US (1.1km), 1995–2024. 28 years of May data.