May weather in San Antonio, United States
Averages from 155 days in May across 2020–2024.
Typical conditions
| Average high | 31°C |
|---|---|
| Average low | 20.6°C |
| Average mean | 25.2°C |
| Total precipitation | 963.5 mm |
| Rainy days | 112 |
| Average precipitation hours | 5.5 h |
| Average max wind speed | 21.7 km/h |
| Average sunshine | 9.8 h/day |
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