World Resorts USA Charleston Weather

Charleston weather in August

Weather in Charleston: August

Average day temperature: 87.8°F
Average night temperature: 77.4°F
Sea water temperature: 83.7°F
Number of sunny days: 11 days
Day length: 12.9 - 13.7 hours
Number of rainy days: 10 days
Precipitation totals: 5.7 in.

Air temperature in August, °F

Show year:
2024
2023
2022

The highest day temperature during August of 2024 was 90°F. At the same time the lowest night temperature was 71°F. Day and night temperature averages during August were 84.4°F and 76.6°F.

Sea water temperature in Charleston in August, °F

Show year:
2024
2023
2022

The average sea water temperature in August of 2024 was 83.1°F. The highest and lowest sea temperatures during the month were 85.3°F and 80.2°F.

Sunny, partly cloudy and cloudy days

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

Precipitation total in August, in.

Precipitation total value in Charleston in August is 6.6 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 7.5 mph It makes August lest windy month of the year.

Average sunny hours

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 August is: 7.4.

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 56.4 °F
February 60.2 °F
December 61.0 °F
Rainiest months:
August 10 days
July 9 days
June 7 days
Windiest months:
March 9.4 mph
April 9.4 mph
February 9.1 mph

Charleston on a weather map

Charleston
+61°F
E 9 mph
Feels like: +61°F
Precip.: 0%
Places in USA:
Name
°F
+46°F
+50°F
+75°F
+75°F
+45°F
+57°F
+75°F
+70°F
+46°F
+54°F
+55°F
+70°F
+68°F
+66°F
+34°F
24 Hours Forecast
Charleston
Local time: 12:38
November 21, thursday
1500
64°F
E
16 mph
1800
63°F
E
16 mph
2100
54°F
E
14 mph
November 22, friday
0000
50°F
E
12 mph
0300
48°F
E
13 mph
0600
45°F
E
13 mph
0900
46°F
E
14 mph
1200
52°F
SE
17 mph
Units of measurement: °C / °F