Last updated: March 2, 2024
The weather in Greater Upper Marlboro, United States, during August is characterized by an average temperature of 25°C (78°F). Highs can soar to 35°C (95°F), while lows may dip to 18°C (64°F). Typically, the humidity level in Greater Upper Marlboro throughout August hovers around 72%.
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Average temperature
Maximum temperature
Humidity
In August, Greater Upper Marlboro averages 162 mm (6.4 inches) of rainfall, typically over the course of 16 rainy days. The month enjoys an average of 13 hours 35 minutes of daylight, with the sun shining for approximately 10 hours 35 minutes each day. Additionally, there is a 35% probability of sunny days during this period.
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Chance of sun
In August, the UV Index in Greater Upper Marlboro reaches a maximum of 9, 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 | 1 | 3 | 5 | 7 | 9 | 9 | 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 | ||||||