Last updated: March 2, 2024
The weather in Mount Vernon, United States, during August is characterized by an average temperature of 27°C (82°F). Highs can soar to 35°C (96°F), while lows may dip to 21°C (70°F). Typically, the humidity level in Mount Vernon throughout August hovers around 78%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In August, Mount Vernon averages 160 mm (6.3 inches) of rainfall, typically over the course of 20 rainy days. The month enjoys an average of 13 hours 12 minutes of daylight, with the sun shining for approximately 9 hours 49 minutes each day. Additionally, there is a 36% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In August, 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 12:00 and 14:00, 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 | 2 | 4 | 6 | 9 | 11 | 11 | 10 | 8 | 5 | 3 | 1 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 30 min | 45 min | |||||