World Resorts USA Charleston Weather

Charleston weather in May

Weather in Charleston: May

Average day temperature: 70.9°F
Average night temperature: 55.6°F
Number of sunny days: 7 days
Day length: 13.8 - 14.6 hours
Number of rainy days: 4 days
Precipitation totals: 1.8 in.

Air temperature in May, °F

Show year:
2024
2023
2022

The highest day temperature during May of 2024 was 85°F. At the same time the lowest night temperature was 43°F. Day and night temperature averages during May were 74.5°F and 57.5°F.

Sunny, partly cloudy and cloudy days

Mostly all days in May are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in May, in.

Precipitation total value in Charleston in May is 1.8 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 5.3 mph

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 May is: 7.0.

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 40.1 °F
February 44.7 °F
December 46.1 °F
Rainiest months:
February 4 days
March 4 days
May 4 days
Windiest months:
March 6.7 mph
April 6.3 mph
February 6.3 mph

Charleston on a weather map

Charleston
+25°F
SW 1 mph
Feels like: +21°F
Precip.: 0%
Places in USA:
Name
°F
+16°F
+25°F
+75°F
+75°F
+54°F
+54°F
+63°F
+21°F
+52°F
+54°F
+54°F
+50°F
+48°F
+46°F
+23°F
24 Hours Forecast
Charleston
Local time: 04:01
December 22, sunday
0600
25°F
W
2 mph
0900
25°F
W
2 mph
1200
28°F
W
2 mph
1500
32°F
W
2 mph
1800
32°F
W
2 mph
2100
28°F
W
3 mph
December 23, monday
0000
28°F
NW
3 mph
0300
28°F
NW
2 mph
Units of measurement: °C / °F