Last updated: March 2, 2024
The weather in Mount Vernon, United States, during July is characterized by an average temperature of 28°C (83°F). Highs can soar to 39°C (102°F), while lows may dip to 21°C (71°F). Typically, the humidity level in Mount Vernon throughout July hovers around 83%.
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Average temperature
Maximum temperature
Humidity
In July, Mount Vernon averages 126 mm (5.0 inches) of rainfall, typically over the course of 16 rainy days. The month enjoys an average of 13 hours 59 minutes of daylight, with the sun shining for approximately 10 hours 54 minutes each day. Additionally, there is a 31% probability of sunny days during this period.
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Chance of sun
In July, the UV Index in Mount Vernon reaches a maximum of 11, 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 | 7 | 10 | 11 | 11 | 10 | 7 | 5 | 2 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | ||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | ||||