May in Oxnard 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 Oxnard is May–November.
Based on OXNARD VENTURA CO AIRPORT, CA US (2.5km), 1995–2024. 26 years of May data.