January weather in San Antonio, United States
Averages from 155 days in January across 2020–2024.
Typical conditions
| Average high | 18.2°C |
|---|---|
| Average low | 7.2°C |
| Average mean | 12.3°C |
| Total precipitation | 329.8 mm |
| Rainy days | 64 |
| Average precipitation hours | 3.2 h |
| Average max wind speed | 20 km/h |
| Average sunshine | 7.3 h/day |
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