Tucson, Arizona weather in July

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

Average high: 101°F
Average low: 79°F
Rainy days: ~7 per month
Total precipitation: 2.2 in
Warmest recorded: 112°F
Coldest recorded: 67°F

Expect July days in Tucson, Arizona to top out around 101°F and cool to about 79°F overnight, with roughly 7 days of measurable rain across the month. In recent years July has ranged from 67°F to 112°F.

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