Last updated: March 2, 2024
The weather in Herculaneum, United States, during March is characterized by an average temperature of 9°C (48°F). Highs can soar to 25°C (78°F), while lows may dip to -7°C (19°F). Typically, the humidity level in Herculaneum throughout March hovers around 80%.
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Average temperature
Maximum temperature
Humidity
In March, Herculaneum averages 132 mm (5.2 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 11 hours 58 minutes of daylight, with the sun shining for approximately 6 hours 40 minutes each day. Additionally, there is a 45% probability of sunny days during this period.
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Chance of sun
In March, the UV Index in Herculaneum reaches a maximum of 7, indicating a level of High exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 25 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 | 2 | 4 | 5 | 6 | 7 | 6 | 5 | 3 | 2 | 1 | 1 |
| Exposure | Low | Moderate | High | Moderate | Low | ||||||||
| Time to burn | 45 min | 30 min | 25 min | 30 min | 45 min | ||||||||