Last updated: March 2, 2024
The weather in Charleston, United States, during June is characterized by an average temperature of 22°C (72°F). Highs can soar to 33°C (91°F), while lows may dip to 12°C (54°F). Typically, the humidity level in Charleston throughout June hovers around 84%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In June, Charleston averages 154 mm (6.1 inches) of rainfall, typically over the course of 16 rainy days. The month enjoys an average of 14 hours 46 minutes of daylight, with the sun shining for approximately 10 hours 17 minutes each day. Additionally, there is a 37% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In June, the UV Index in Charleston 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 | 2 | 3 | 5 | 7 | 9 | 10 | 10 | 9 | 7 | 4 | 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 | ||||||