Phoenix, Arizona weather in July

Averages from 2021–2025 (155 days of record).

Average high: 107°F
Average low: 85°F
Rainy days: ~5 per month
Total precipitation: 2.9 in
Warmest recorded: 116°F
Coldest recorded: 72°F

Expect July days in Phoenix, Arizona to top out around 107°F and cool to about 85°F overnight, with roughly 5 days of measurable rain across the month. In recent years July has ranged from 72°F to 116°F.

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Current Phoenix, Arizona forecast → · Historical data by Open-Meteo (ERA5).