Last updated: March 2, 2024
The weather in Mount Vernon, United States, during August is characterized by an average temperature of 26°C (79°F). Highs can soar to 33°C (92°F), while lows may dip to 18°C (65°F). Typically, the humidity level in Mount Vernon throughout August hovers around 72%.
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Average temperature
Maximum temperature
Humidity
In August, Mount Vernon averages 149 mm (5.8 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 13 hours 33 minutes of daylight, with the sun shining for approximately 10 hours 50 minutes each day. Additionally, there is a 37% probability of sunny days during this period.
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Chance of sun
In August, the UV Index in Mount Vernon reaches a maximum of 10, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 15 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 | 9 | 10 | 9 | 7 | 5 | 3 | 2 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 25 min | 30 min | 45 min | ||||||