Last updated: March 2, 2024
The weather in San Antonio, United States, during July is characterized by an average temperature of 27°C (81°F). Highs can soar to 34°C (94°F), while lows may dip to 22°C (72°F). Typically, the humidity level in San Antonio throughout July hovers around 79%.
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Average temperature
Maximum temperature
Humidity
In July, San Antonio averages 276 mm (10.8 inches) of rainfall, typically over the course of 27 rainy days. The month enjoys an average of 13 hours 42 minutes of daylight, with the sun shining for approximately 10 hours 16 minutes each day. Additionally, there is a 21% probability of sunny days during this period.
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Chance of sun
In July, the UV Index in San Antonio reaches a maximum of 12, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 10 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 1 | 3 | 5 | 8 | 10 | 12 | 12 | 10 | 7 | 5 | 2 | 1 |
| Exposure | Low | Moderate | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | |||||