World Resorts USA Charleston

Charleston Monthly Weather Averages

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

The warmest month in Charleston is july. The average daily temp is 84.8°F. The average nightly temp is 69.0°F.

Precipitation total, in.

September is the month with least precipitations during the year. The average precipitation totals for this month is 0.8 in. The month with most precipitation total is July.

Number of rainy days

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
Sunny, partly cloudy and cloudy days
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.

* Charts above show average data for the last 3 years.

Best time for vacation in Charleston

Sunniest months:
September 14 days
November 13 days
October 12 days
Warmest months:
July 84.8 °F
August 82.9 °F
June 79.4 °F
Coldest months:
January 40.1 °F
February 44.7 °F
December 46.1 °F
Rainiest months:
May 5 days
July 5 days
February 4 days
Windiest months:
March 6.7 mph
April 6.3 mph
February 6.3 mph

Charleston on a weather map

Charleston
+77°F
SW 5 mph
Feels like: +79°F
Precip.: 0%
Places in USA:
Name
°F
+55°F
+59°F
+77°F
+77°F
+88°F
+68°F
+88°F
+70°F
+99°F
+66°F
+61°F
+88°F
+90°F
+91°F
+75°F
24 Hours Forecast
Charleston
Local time: 14:40
May 18, saturday
1500
77°F
SW
5 mph
1800
75°F
S
6 mph
2100
66°F
SW
4 mph
May 19, sunday
0000
61°F
SW
2 mph
0300
59°F
SW
2 mph
0600
57°F
SW
2 mph
0900
66°F
SW
2 mph
1200
77°F
S
6 mph
Units of measurement: °C / °F