Measurements:
°C
°F
Charleston
76°F
NW 11 mph
Feels like: 80°F
Precip: 0%
World Resorts USA Charleston Weather May Weather in Charleston

Charleston Weather: May

Average Day Temperature: 82.9°F
Average Night Temperature: 70.6°F
Sea Water Temperature: 76.6°F
Number of Sunny Days: 15 days
Sunshine Hours: 13.5 - 14.2 hours
Number of Rainy Days: 5 days
Precipitation Totals: 2.7 in

Air Temperature in May, °F

Select Year: 2024 2023 2022

The highest day temperature in May 2024 was 91°F. The lowest night temperature was 63°F. The average values for day and night temperatures during May were 83.8°F и 71.6°F respectivly.

Charleston Water Sea Temperature in May, °F

Select Year: 2024 2023 2022

The average sea surface temperature in May 2024 for Charleston was 78.2°F. The maximum and minimum values were 72.4°F and 82.6°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in May are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in May, in

Precipitation total in May for Charleston is 2.7 in. It makes may one of the least rainy months of the year.

Wind Speed in May, mph

The average wind speed in May is 8.7 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Charleston in May is 9.3 hours.

Best Time to Visit Charleston
The most sunny months:
April 16 days
October 15 days
May 15 days
The most warm months:
July 93.7 °F
August 92.0 °F
June 90.0 °F
Warmest sea temperature:
August 87.5 °F
July 87.3 °F
September 84.6 °F
The most cold months:
January 57.1 °F
February 61.3 °F
December 62.2 °F
The most rainy months:
August 10 days
July 9 days
June 7 days
The most windy months:
March 9 mph
April 9 mph
February 9 mph

Charleston on the Weather Map

USA Resorts:
NAME
Boston +56
Chicago +64
Hawaii +80
Honolulu +80
Houston +74
Las Vegas +44
Los Angeles +62
Maui +74
Miami +84
New York +62
San Diego +52
San Francisco +56
Sarasota +76
Tampa +78
Washington +62
24 Hours Weather Forecast
Charleston
Local time: 09:47
05 nov, tuesday
1200 80°F
NW
13 mph
1500 76°F
NW
12 mph
1800 76°F
NW
10 mph
2100 76°F
NW
9 mph
06 nov, wednesday
0000 76°F
NW
9 mph
0300 76°F
NW
6 mph
0600 76°F
NW
6 mph
0900 80°F
NW
6 mph