World Resorts USA Charleston Weather

Charleston weather in July

Weather in Charleston: July

Average day temperature: 89.3°F
Average night temperature: 78.2°F
Sea water temperature: 83.6°F
Number of sunny days: 13 days
Day length: 13.8 - 14.3 hours
Number of rainy days: 9 days
Precipitation totals: 4.8 in.

Air temperature in July, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
15
30
45
60
75
90
105
120
Day temperature   
Night temperature

The highest day temperature during July of 2024 was 92°F. At the same time the lowest night temperature was 74°F. Daily and nightly averages during July were 87.5°F and 78.2°F.

Sea water temperature in Charleston in July, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
77
80
83
86
89
92

The average sea water temperature in July of 2024 was 85.2°F. The highest and lowest sea temperatures during the month were 87.3°F and 83.8°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
32%
45%
23%

Mostly all days in July are partly cloudy but sunny or cloudy days are also possible.

Precipitation total in July, 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
4.5
3.0
3.9
2.6
2.5
1.9
3.8
1.9
2.2
4.8
6.6
5.4
4.5
3.0
3.9
2.6
2.5
1.9

Precipitation total value in Charleston in July is 5.4 in. Other months of the year show relatively similar values.

Wind speed in July, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.6
3.1
4.7
6.3
7.8
9.4
11.0
8.2
8.1
7.9
8.3
7.4
8.2
8.4
9.1
9.1
8.5
8.4
8.2
8.1
7.9
8.3
7.4
7.7
8.2
8.4
9.1
9.1
8.5
8.4

The average wind speed value in July is 7.7 mph It makes July one of the least windy months of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.6
3.3
4.9
6.5
8.2
9.8
11.4
13.1
5.6
6.1
7.3
7.2
7.4
8.3
8.9
9.5
6.9
5.8
5.9
5.6
6.1
7.3
7.2
7.4
7.5
8.3
8.9
9.5
6.9
5.8
5.9

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in July is: 7.5.

Best time for vacation in Charleston

Sunniest months:
April 16 days
October 15 days
May 15 days
Warmest months:
July 89.3 °F
August 87.8 °F
June 86.0 °F
Warmest sea temp:
August 83.7 °F
July 83.6 °F
September 81.2 °F
Coldest months:
January 55.9 °F
February 60.2 °F
December 60.7 °F
Rainiest months:
August 10 days
July 9 days
June 7 days
Windiest months:
March 9.5 mph
April 9.4 mph
February 9.0 mph

Charleston on a weather map

Leaflet | Tiles © Esri
Places in USA:
Name
°F
+46°F
+54°F
+75°F
+75°F
+73°F
+79°F
+81°F
+50°F
+90°F
+75°F
+50°F
+88°F
+91°F
+54°F
+43°F
24 Hours Forecast
Charleston
Local time: 13:58
April 06, sunday
1500
77°F
N
16 mph
1800
73°F
N
14 mph
2100
70°F
N
12 mph
April 07, monday
0000
70°F
N
14 mph
0300
66°F
NE
11 mph
0600
66°F
NE
12 mph
0900
66°F
NE
14 mph
1200
72°F
NE
16 mph
Units of measurement: °C / °F