Measurements:
°C
°F
Charleston
58°F
SW 11 mph
Feels like: 56°F
Precip: 77%
World Resorts USA Charleston Weather

Charleston Sea Water Temperature

Current Sea Water Temperature:
+58.4°F
Maximum Sea Water Temperature in December: 70.4°F
Minimum Sea Water Temperature in December: 54.8°F
Average water temperature in December: 63.8°F

Sea Water Temperature for the Last 10 Days:

December 13 58.4°F December 08 57.8°F
December 12 59.6°F December 07 57.4°F
December 11 61.6°F December 06 59.4°F
December 10 58.6°F December 05 58.6°F
December 09 57.8°F December 04 58.2°F

When is the Warmest Sea for Charleston?

According to our data for the last three years for Charleston the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2019 2018 2017

The average sea surface temperature in August 2019 for Charleston was 88.3°F. The maximum and minimum values were 86.8°F and 90.2°F respectively.

Sea Water Temperature in July

Select Year: 2019 2018 2017

The average sea surface temperature in July 2019 for Charleston was 88.6°F. The maximum and minimum values were 86.6°F and 90.8°F respectively.

Sea Water Temperature in September

Select Year: 2019 2018 2017

The average sea surface temperature in September 2019 for Charleston was 85.0°F. The maximum and minimum values were 82.4°F and 87.2°F respectively.

Best Time to Visit Charleston
The most sunny months:
May 17 days
July 16 days
October 15 days
The most warm months:
July 94.1 °F
August 91.9 °F
June 90.5 °F
Warmest sea temperature:
August 87.2 °F
July 87.0 °F
September 84.6 °F
The most cold months:
January 56.5 °F
February 60.9 °F
December 62.6 °F
The most rainy months:
August 11 days
July 10 days
September 8 days
The most windy months:
April 9 mph
March 9 mph
February 9 mph

Charleston on the Weather Map

USA Resorts:
NAME
Boston +28
Chicago +36
Hawaii +80
Honolulu +76
Houston +58
Jacksonville +68
Las Vegas +48
Los Angeles +68
Miami +78
New Orleans +60
New York +36
San Diego +64
San Francisco +56
San Jose +50
Washington +32
24 Hours Weather Forecast
Charleston
Local time: 05:32
13 dec, friday
0600 58°F
SW
11 mph
0900 58°F
SW
10 mph
1200 58°F
SW
7 mph
1500 58°F
S
5 mph
1800 56°F
W
5 mph
2100 48°F
NE
7 mph
14 dec, saturday
0000 48°F
NE
9 mph
0300 66°F
NE
11 mph