World Resorts USA St. George Island Weather

St. George Island Sea Temperature in December

Average sea water temperature in December:
+63.2°F
Minimum sea water temperature in December: 68.7°F
Maximum sea water temperature in December: 54.9°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 63.5°F. The highest and lowest sea temperatures during the month were 68.0°F and 59.2°F.

Monthly sea water temperature in St. George Island, °F

Which USA resorts have warmest sea in December?

Place name December 2025 December 2024
Kailua Kona 79.2°F 78.3°F
West Palm Beach 79.0°F 78.4°F
Fort Lauderdale 78.7°F 77.6°F
Honolulu 78.6°F 78.3°F
Hawaii 78.5°F 78.3°F
Kauai 78.2°F 76.0°F
Maui 78.0°F 77.8°F
Miami Beach 77.4°F 75.9°F
Oahu 77.1°F 77.2°F
Key Largo 76.3°F 73.1°F
Key West 75.9°F 72.6°F
Miami 75.5°F 73.0°F
Everglades 73.7°F 69.7°F
South Padre Island 71.8°F 71.9°F
Naples 71.5°F 67.7°F
Sanibel Island 70.9°F 67.1°F
Cocoa Beach 69.7°F 66.6°F
Siesta Key 69.3°F 65.6°F
Sarasota 69.2°F 65.6°F
Tampa 68.3°F 65.5°F

Best time for vacation in St. George Island

Sunniest months:
October 20 days
March 16 days
November 15 days
Warmest months:
July 86.8 °F
August 86.6 °F
June 84.8 °F
Warmest sea temp:
August 86.5 °F
July 85.5 °F
September 83.8 °F
Coldest months:
January 58.9 °F
December 62.5 °F
February 63.2 °F
Rainiest months:
August 5 days
April 4 days
July 4 days
Windiest months:
January 9.4 mph
March 9.0 mph
November 8.9 mph

St. George Island on a weather map

St. George Island
+68°F
N 11 mph
Feels like: +68°F
Precip.: 0%
Places in USA:
Name
°F
+57°F
+72°F
+72°F
+81°F
+77°F
+77°F
+73°F
+68°F
+45°F
+81°F
+59°F
+73°F
+77°F
+77°F
+37°F
24 Hours Forecast
St. George Island
Local time: 16:34
February 26, thursday
1800
66°F
N
8 mph
2100
64°F
N
7 mph
February 27, friday
0000
64°F
N
7 mph
0300
64°F
N
6 mph
0600
63°F
N
7 mph
0900
64°F
NE
9 mph
1200
64°F
NE
11 mph
1500
64°F
NE
8 mph
Units of measurement: °C / °F