World Resorts USA Charleston Weather

Summer weather in Charleston

Weather in Charleston in Summer

June July August
Average day temperature: 80.0°F 84.6°F 83.2°F
Average night temperature: 63.4°F 68.4°F 66.6°F
Number of sunny days: 9 days 9 days 9 days
Day length: 14.7 - 14.9 h. 14.1 - 14.8 h. 13.0 - 14.1 h.
Number of rainy days: 2 days 4 days 3 days
Precipitation totals: 1.3 in. 2.0 in. 1.5 in.

Day & Night air temperature, °F

June
July
August
0
14
28
42
56
70
84
98
112
83.2
84.6
80.0
66.6
68.4
63.4
Day temperature   
Night temperature

Precipitation total, in.

June
July
August
0.0
0.3
0.7
1.0
1.4
1.7
2.0
2.4
1.5
2
1.3
Sunny, partly cloudy and cloudy days
June
July
August
0
5
10
15
20
25
30
35
11
10
9
11
12
11
9
9
9
Cloudy days   
Partly cloudy days   
Sunny days
Wind speed, mph
June
July
August
0.0
0.8
1.6
2.5
3.3
4.1
4.9
5.7
6.6
3.9
4.2
4.8
Average sunny hours
June
July
August
0
1
2
3
4
5
6
7
8
9
10
7.9
7.8
8.6

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:
September 14 days
October 13 days
November 11 days
Warmest months:
July 84.6 °F
August 83.2 °F
June 80.0 °F
Coldest months:
January 38.8 °F
February 43.9 °F
December 45.3 °F
Rainiest months:
May 4 days
July 4 days
February 3 days
Windiest months:
March 6.8 mph
April 6.3 mph
February 6.3 mph

Charleston on a weather map

Leaflet | Tiles © Esri
Places in USA:
Name
°F
+46°F
+54°F
+73°F
+73°F
+59°F
+54°F
+75°F
+50°F
+70°F
+54°F
+48°F
+66°F
+68°F
+68°F
+55°F
24 Hours Forecast
Charleston
Local time: 08:53
April 14, monday
0900
61°F
NE
9 mph
1200
70°F
NE
13 mph
1500
75°F
NE
11 mph
1800
73°F
E
11 mph
2100
70°F
NE
11 mph
April 15, tuesday
0000
64°F
E
12 mph
0300
57°F
E
9 mph
0600
55°F
E
12 mph
Units of measurement: °C / °F