Last updated: March 2, 2024
The weather in Herculaneum, United States, during August is characterized by an average temperature of 25°C (76°F). Highs can soar to 35°C (95°F), while lows may dip to 14°C (58°F). Typically, the humidity level in Herculaneum throughout August hovers around 80%.
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Humidity
In August, Herculaneum averages 124 mm (4.9 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 13 hours 33 minutes of daylight, with the sun shining for approximately 10 hours 35 minutes each day. Additionally, there is a 48% probability of sunny days during this period.
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In August, the UV Index in Herculaneum 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 | 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 | ||||||