Measurements:
°C
°F
Charleston
52°F
S 10 mph
Feels like: 48°F
Precip: 0%
World Resorts USA Charleston Weather May Weather in Charleston

Charleston Weather: May

Average Day Temperature: 82.9°F
Average Night Temperature: 70.5°F
Sea Water Temperature: 76.5°F
Number of Sunny Days: 16 days
Sunshine Hours: 13.5 - 14.2 hours
Number of Rainy Days: 5 days
Precipitation Totals: 2.8 in

Air Temperature in May, °F

Select Year: 2023 2022 2021

The highest day temperature in May 2023 was 93°F. The lowest night temperature was 56°F. The average values for day and night temperatures during May were 79.7°F и 67.2°F respectivly.

Charleston Water Sea Temperature in May, °F

Select Year: 2023 2022 2021

The average sea surface temperature in May 2023 for Charleston was 75.1°F. The maximum and minimum values were 70.8°F and 78.6°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 2.8 in.

Wind Speed in May, mph

The average wind speed in May is 8.8 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 9.4 hours.

Best Time to Visit Charleston
The most sunny months:
May 16 days
October 15 days
April 15 days
The most warm months:
July 93.9 °F
August 92.3 °F
June 90.0 °F
Warmest sea temperature:
August 87.5 °F
July 87.2 °F
September 84.8 °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 8 days
The most windy months:
March 9 mph
April 9 mph
February 9 mph

Charleston on the Weather Map

USA Resorts:
NAME
Boston +42
Chicago +38
Hawaii +74
Honolulu +74
Houston +62
Las Vegas +62
Los Angeles +56
Miami +74
New York +42
Orlando +62
San Diego +58
San Francisco +52
Sarasota +66
Tampa +64
Washington +40
24 Hours Weather Forecast
Charleston
Local time: 02:55
29 mar, friday
0300 52°F
S
10 mph
0600 48°F
S
9 mph
0900 54°F
S
7 mph
1200 62°F
S
2 mph
1500 66°F
NE
7 mph
1800 64°F
NE
9 mph
2100 56°F
NE
9 mph
30 mar, saturday
0000 54°F
NE
8 mph