July in Antioch averages a daily high of 33.1°C with nights around 15.5°C. Rain is rare — about 0 wet days and 0mm 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. 22 years of July data.