Charleston Weather: June
 |
Average Day Temperature: | 90.2°F |
|
Average Night Temperature: | 77.8°F |
|
Sea Water Temperature: | 83.6°F |
|
Number of Sunny Days: | 13 days |
| Sunshine Hours: | 14.2 - 14.3 hours | |
|
Number of Rainy Days: | 6 days |
| Precipitation Totals: | 3.5 in | |
| detailed information | ||
forecast
| Charleston |
Temperature
| Charleston |
Air Temperature in June, °F
The highest day temperature in June 2026 was 98°F. The lowest night temperature was 66°F. The average values for day and night temperatures during June were 90.5°F и 79.0°F respectivly.
Charleston Water Sea Temperature in June, °F
The average sea surface temperature in June 2026 for Charleston was 84.2°F. The maximum and minimum values were 79.6°F and 88.8°F respectively.
Most of the days in June are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in June, in
Precipitation total in June for Charleston is 3.5 in. It makes june one of the most rainy months of the year.
The average wind speed in June is 8.4 mph. This value is relatively stable throughout the year.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Charleston in June is 9.3 hours.
Charleston on the Weather Map
| Boston |  |
+96 |
| Chicago | |
+86 |
| Hawaii |  |
+82 |
| Houston |  |
+80 |
| Las Vegas |  |
+118 |
| Los Angeles | |
+100 |
| Maui | |
+78 |
| Miami | |
+96 |
| Myrtle Beach | |
+90 |
| New York | |
+104 |
| San Diego | |
+94 |
| San Francisco | |
+82 |
| Santa Monica | |
+82 |
| Sarasota | |
+96 |
| Tampa | |
+98 |
| 1800 |  |
88°F | NW 6 mph |
| 2100 |  |
86°F | N 4 mph |
| 0000 | |
84°F | E 2 mph |
| 0300 |  |
80°F | E 4 mph |
| 0600 | |
80°F | SE 4 mph |
| 0900 |  |
86°F | SE 2 mph |
| 1200 | |
94°F | N 6 mph |
| 1500 | |
92°F | N 9 mph |