July in Chino averages a daily high of 34.4°C with nights around 16.5°C. Rain is rare — about 0.3 wet days and 1.5mm across the month. Generally workable, with some weather to plan around.
Across the year, the best time to visit Chino is March–May.
Based on CHINO AIRPORT, CA US (7.2km), 1995–2024. 27 years of July data.