World Resorts USA Charleston Weather

Charleston Sea Temperature in July

Average sea water temperature in July:
+83.8°F
Minimum sea water temperature in July: 87.3°F
Maximum sea water temperature in July: 80.2°F

Daily 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.

Monthly sea water temperature in Charleston, °F

Which USA resorts have warmest sea in July?

Place name July 2026 July 2025
Key West 88.5°F 86.7°F
Key Largo 88.2°F 86.2°F
Clearwater Beach 87.9°F 87.1°F
Naples 87.7°F 86.6°F
Tampa 87.6°F 86.8°F
Sarasota 87.6°F 86.9°F
Cape Coral 87.6°F 86.4°F
Siesta Key 87.6°F 86.9°F
New Orleans 87.5°F 87.4°F
Miami 87.4°F 86.3°F
Miami Beach 87.0°F 86.0°F
Houston 86.7°F 86.3°F
Fort Lauderdale 86.6°F 85.0°F
Galveston 86.4°F 86.4°F
Hilton Head Island 86.3°F 85.7°F
St. George Island 86.3°F 86.4°F
Tybee Island 86.3°F 85.4°F
Pensacola 86.1°F 86.9°F
Orange Beach 86.1°F 86.7°F
West Palm Beach 86.1°F 84.6°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
+73°F
E 4 mph
Feels like: +77°F
Precip.: 88%
Places in USA:
Name
°F
+55°F
+61°F
+77°F
+82°F
+88°F
+84°F
+70°F
+70°F
+59°F
+82°F
+66°F
+82°F
+79°F
+64°F
24 Hours Forecast
Charleston
Local time: 22:39
October 05, monday
0000
73°F
SE
2 mph
0300
72°F
SW
4 mph
0600
70°F
S
6 mph
0900
70°F
SW
6 mph
1200
70°F
SW
7 mph
1500
70°F
SW
6 mph
1800
70°F
SW
4 mph
2100
70°F
SW
6 mph
Units of measurement: °C / °F