San Antonio, Texas weather in July

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

Average high: 95°F
Average low: 76°F
Rainy days: ~9 per month
Total precipitation: 4.2 in
Warmest recorded: 106°F
Coldest recorded: 71°F

Expect July days in San Antonio, Texas to top out around 95°F and cool to about 76°F overnight, with roughly 9 days of measurable rain across the month. In recent years July has ranged from 71°F to 106°F.

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Current San Antonio, Texas forecast → · Historical data by Open-Meteo (ERA5).