Please click on any column to get detailed information about Charleston weather in that particular month. You will get daily weather information for that month for the last several years.
Day & Night air temperature, °F
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
15
30
45
60
75
90
105
120
58.8
65.8
76.3
83.6
87.3
88.9
84.9
79.4
72.2
66.4
61.5
55.3
51.7
56.9
65.8
74.0
77.4
78.2
74.5
68.5
60.8
56.6
52.7
47.6
Day temperature | Night temperature |
The warmest month in Charleston is july. The average daily temp is 88.9°F. The average nightly temp is 78.2°F.
Sea water temperature, °F
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
14
28
42
56
70
84
98
112
60.4
65.9
74.1
81.2
83.7
83.6
80.2
74
66.3
60.8
57.8
58
The warmest sea temperature usually observed in August. Average daily sea water temperature during this month is 83.7°F.
Precipitation total, in.
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.1
2.3
3.4
4.5
5.6
6.8
7.9
3.8
1.9
2.2
4.8
6.6
5.4
4.5
3
3.9
2.6
2.5
1.9
Number of rainy days
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
1
2
3
4
5
6
7
8
9
10
11
12
13
4
3
3
6
11
9
8
5
4
4
3
3
This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.
Wind speed, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
1
2
3
4
5
6
7
8
9
10
8.2
8.1
7.9
8.3
7.4
7.7
8.2
8.4
9.1
9.1
8.5
8.4
Sunny, partly cloudy and cloudy days
1
2
3
4
5
6
7
8
9
10
11
12
0
5
10
15
20
25
30
35
12
9
9
9
10
7
7
7
6
10
10
11
7
9
9
10
13
14
14
11
7
9
8
8
12
12
14
11
8
10
9
14
16
12
10
12
Cloudy days | Partly cloudy days | Sunny days |
Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
1
2
3
4
5
6
7
8
9
10
11
5.6
6.1
7.3
7.2
7.4
7.5
8.3
8.9
9.5
6.9
5.8
5.9
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.
* Charts above show average data for the last 3 years.
sea water
temperature
temperature
Charleston |
14 days
forecast
forecast
Charleston |
current
weather
weather
Charleston |
7 days
forecast
forecast
Charleston |
Best time for vacation in Charleston
Charleston on a weather map
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Places in USA:
Name
°F
24 Hours Forecast
Charleston
Local time: 20:20
April 07, monday
2100

72°F
E
9 mph
9 mph
April 08, tuesday
0000

66°F
E
9 mph
9 mph
0300

61°F
E
11 mph
11 mph
0600

59°F
SE
9 mph
9 mph
0900

59°F
S
8 mph
8 mph
1200

68°F
S
6 mph
6 mph
1500

72°F
S
3 mph
3 mph
1800

68°F
W
5 mph
5 mph