August weather in San Antonio, United States
Averages from 155 days in August across 2020–2024.
Typical conditions
| Average high | 36.1°C |
|---|---|
| Average low | 25.2°C |
| Average mean | 30.3°C |
| Total precipitation | 295.6 mm |
| Rainy days | 86 |
| Average precipitation hours | 3.1 h |
| Average max wind speed | 20.1 km/h |
| Average sunshine | 11.8 h/day |
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