Measurements:
°C
°F
Charleston
90°F
N 6 mph
Feels like: 100°F
Precip: 63%
World Resorts USA Charleston Weather

Charleston Sea Water Temperature

Current Sea Water Temperature:
+86.8°F
Maximum Sea Water Temperature in July: 90.8°F
Minimum Sea Water Temperature in July: 83.6°F
Average water temperature in July: 87.0°F

Sea Water Temperature for the Last 10 Days:

July 10 86.8°F July 05 86.6°F
July 09 87.2°F July 04 86.8°F
July 08 87.4°F July 03 85.8°F
July 07 87.4°F July 02 85.6°F
July 06 87.6°F July 01 85.6°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 90.1 °F
Warmest sea temperature:
August 87.2 °F
July 87.0 °F
September 84.6 °F
The most cold months:
January 56.8 °F
February 60.8 °F
December 62.6 °F
The most rainy months:
August 11 days
July 10 days
June 8 days
The most windy months:
April 9 mph
March 9 mph
February 9 mph

Charleston on the Weather Map

USA Resorts:
NAME
Boston +82
Chicago +82
Hawaii +82
Honolulu +82
Houston +100
Jacksonville +100
Las Vegas +100
Los Angeles +88
Miami +100
New Orleans +94
New York +78
San Diego +80
San Francisco +66
San Jose +96
Washington +94
24 Hours Weather Forecast
Charleston
Local time: 14:30
10 jul, friday
1500 90°F
N
6 mph
1800 88°F
N
8 mph
2100 86°F
N
6 mph
11 jul, saturday
0000 84°F
N
7 mph
0300 82°F
NE
7 mph
0600 82°F
NE
7 mph
0900 88°F
NE
6 mph
1200 94°F
NE
7 mph