June in Antioch averages a daily high of 30.6°C with nights around 14.8°C. Rain is rare — about 0.5 wet days and 2.1mm across the month. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Antioch is April–May.
Based on ANTIOCH PUMPING PLANT NUMBER 3, CA US (5.3km), 1995–2024. 19 years of June data.