May in Ventura averages a daily high of 19.3°C with nights around 12°C. Rain is rare — about 2.1 wet days and 7.6mm across the month. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Ventura is May–November.
Based on OXNARD VENTURA CO AIRPORT, CA US (11.9km), 1995–2024. 26 years of May data.