Last updated: March 2, 2024
The weather in Charleston, United States, during March is characterized by an average temperature of 13°C (55°F). Highs can soar to 28°C (83°F), while lows may dip to -3°C (27°F). Typically, the humidity level in Charleston throughout March hovers around 77%.
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Average temperature
Maximum temperature
Humidity
In March, Charleston averages 131 mm (5.1 inches) of rainfall, typically over the course of 14 rainy days. The month enjoys an average of 11 hours 59 minutes of daylight, with the sun shining for approximately 6 hours 54 minutes each day. Additionally, there is a 50% probability of sunny days during this period.
Precipitation
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Chance of sun
In March, the UV Index in Charleston reaches a maximum of 8, 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 | 2 | 4 | 6 | 7 | 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 | ||||||