June in Modesto averages a daily high of 32.4°C with nights around 15.6°C. Rain is rare — about 0.8 wet days and 3.1mm across the month. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Modesto is April–May.
Based on MODESTO AIRPORT, CA US (4km), 1995–2024. 30 years of June data.