World Resorts USA Charleston Weather

Summer weather in Charleston

Weather in Charleston in Summer

June July August
Average day temperature:
Average day temperature: 86.0°F 89.5°F 88.1°F
Average night temperature:
Average night temperature: 74.7°F 78.2°F 77.5°F
Sea water temperature:
Sea water temperature: 80.1°F 83.5°F 83.8°F
Number of sunny days:
Number of sunny days: 12 days 14 days 11 days
Day length:
Day length: 14.2 - 14.3 h. 13.8 - 14.3 h. 12.9 - 13.7 h.
Number of rainy days:
Number of rainy days: 8 days 9 days 10 days
Precipitation totals:
Precipitation totals: 4.1 in. 5.0 in. 5.9 in.

Day & Night air temperature, °F

Sea water temperature, °F

Precipitation total, in.

Sunny, partly cloudy and cloudy days
Wind speed, mph
Average sunny hours

Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

Best time for vacation in Charleston

Sunniest months:
April 16 days
May 16 days
October 15 days
Warmest months:
July 89.5 °F
August 88.1 °F
June 86.0 °F
Warmest sea temp:
August 83.8 °F
July 83.5 °F
September 81.3 °F
Coldest months:
January 56.4 °F
February 60.2 °F
December 61.0 °F
Rainiest months:
August 10 days
July 9 days
June 8 days
Windiest months:
March 9.4 mph
April 9.4 mph
February 9.1 mph

Charleston on a weather map

Charleston
+66°F
NE 2 mph
Feels like: +66°F
Precip.: 0%
Places in USA:
Name
°F
+46°F
+63°F
+73°F
+73°F
+66°F
+63°F
+77°F
+54°F
+70°F
+59°F
+54°F
+70°F
+72°F
+73°F
+54°F
24 Hours Forecast
Charleston
Local time: 02:06
May 02, thursday
0300
66°F
NE
2 mph
0600
66°F
SE
2 mph
0900
73°F
S
4 mph
1200
79°F
W
8 mph
1500
79°F
NW
11 mph
1800
75°F
NW
9 mph
2100
70°F
NW
6 mph
May 03, friday
0000
68°F
N
4 mph
Units of measurement: °C / °F