World Resorts USA Charleston Weather

Charleston Sea Temperature in October

Average sea water temperature in October:
+74.0°F
Minimum sea water temperature in October: 82.4°F
Maximum sea water temperature in October: 66.0°F

Daily sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 72.1°F. The highest and lowest sea temperatures during the month were 79.3°F and 66.0°F.

Monthly sea water temperature in Charleston, °F

Which USA resorts have warmest sea in October?

Place name October 2025 October 2024
South Padre Island 84.0°F 82.4°F
Key West 83.8°F 82.9°F
West Palm Beach 83.5°F 83.3°F
Fort Lauderdale 83.5°F 83.0°F
Miami Beach 83.4°F 83.4°F
Key Largo 83.0°F 83.1°F
Miami 82.7°F 82.9°F
Everglades 82.5°F 82.6°F
Corpus Christi 82.2°F 80.6°F
Naples 81.9°F 81.6°F
Sanibel Island 81.6°F 81.3°F
Kauai 81.3°F 79.2°F
Kailua Kona 80.9°F 80.6°F
Galveston 80.8°F 78.8°F
Honolulu 80.7°F 80.6°F
Hawaii 80.6°F 80.5°F
Siesta Key 80.4°F 80.7°F
Houston 80.4°F 78.8°F
Sarasota 80.2°F 80.5°F
Maui 79.8°F 79.4°F

Best time for vacation in Charleston

Sunniest months:
October 15 days
April 15 days
May 15 days
Warmest months:
July 89.5 °F
August 87.7 °F
June 86.2 °F
Warmest sea temp:
August 83.7 °F
July 83.7 °F
September 81.0 °F
Coldest months:
January 55.7 °F
February 60.2 °F
December 60.5 °F
Rainiest months:
August 9 days
July 8 days
June 7 days
Windiest months:
March 9.5 mph
April 9.4 mph
February 9.0 mph

Charleston on a weather map

Charleston
+46°F
NE 11 mph
Feels like: +41°F
Precip.: 0%
Places in USA:
Name
°F
+34°F
+68°F
+68°F
+57°F
+59°F
+61°F
+63°F
+63°F
+28°F
+59°F
+55°F
+48°F
+46°F
+61°F
+30°F
24 Hours Forecast
Charleston
Local time: 02:44
February 25, wednesday
0300
46°F
NE
11 mph
0600
45°F
NE
12 mph
0900
48°F
NE
14 mph
1200
54°F
NE
16 mph
1500
54°F
NE
16 mph
1800
54°F
NE
12 mph
2100
54°F
NE
11 mph
February 26, thursday
0000
54°F
NE
11 mph
Units of measurement: °C / °F