World Resorts USA Charleston Weather

Charleston sea water temperature

Current sea water temperature:
+67.6°F
Minimum sea water temperature in November: 75.2°F
Maximum sea water temperature in November: 57.2°F
Average sea water temperature in November: 65.7°F

Sea water temperature for the last 10 days:

November 13 67.6°F November 8 69.4°F
November 12 68.7°F November 7 69.1°F
November 11 68.0°F November 6 69.1°F
November 10 68.0°F November 5 68.2°F
November 9 68.0°F November 4 68.2°F

When is the warmest sea in Charleston?

Based on the data about daily sea water temperature for the last three years the warmest sea in Charleston was noticed in August, July and September.

Monthly Sea Temperatures in Charleston, °F

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 85.4°F. The highest and lowest sea temperatures during the month were 87.6°F and 83.7°F.

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 85.8°F. The highest and lowest sea temperatures during the month were 87.1°F and 84.4°F.

Sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 82.6°F. The highest and lowest sea temperatures during the month were 85.5°F and 76.1°F.

Best time for vacation in Charleston

Sunniest months:
April 16 days
May 16 days
October 15 days
Warmest months:
July 89.5 °F
August 87.7 °F
June 86.2 °F
Warmest sea temp:
August 83.8 °F
July 83.8 °F
September 81.1 °F
Coldest months:
January 55.7 °F
February 59.9 °F
December 60.5 °F
Rainiest months:
August 9 days
July 8 days
September 6 days
Windiest months:
March 9.5 mph
April 9.4 mph
February 9.0 mph

Charleston on a weather map

Charleston
+50°F
SE 7 mph
Feels like: +46°F
Precip.: 4%
Places in USA:
Name
°F
+36°F
+39°F
+70°F
+61°F
+63°F
+66°F
+63°F
+39°F
+63°F
+55°F
+63°F
+64°F
+59°F
+63°F
+37°F
24 Hours Forecast
Charleston
Local time: 01:18
November 14, saturday
0300
46°F
SE
7 mph
0600
45°F
SE
7 mph
0900
50°F
S
8 mph
1200
57°F
S
9 mph
1500
59°F
SE
9 mph
1800
52°F
S
5 mph
2100
48°F
S
5 mph
November 15, sunday
0000
46°F
S
5 mph
Units of measurement: °C / °F