Last updated: March 2, 2024
The weather in Mount Vernon, United States, during August is characterized by an average temperature of 21°C (69°F). Highs can soar to 32°C (90°F), while lows may dip to 10°C (51°F). Typically, the humidity level in Mount Vernon throughout August hovers around 74%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In August, Mount Vernon averages 82 mm (3.2 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 13 hours 56 minutes of daylight, with the sun shining for approximately 10 hours 28 minutes each day. Additionally, there is a 32% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In August, the UV Index in Mount Vernon reaches a maximum of 8, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, 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 | 2 | 3 | 5 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 1 | 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 | ||||||