July in Phoenix averages a daily high of 41.7°C with nights around 29.4°C. Expect roughly 4 wet days totalling 22.2mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Phoenix is November–March.
Based on PHOENIX AIRPORT, AZ US (6.9km), 1995–2024. 30 years of July data.