World Resorts USA Jekyll Island Weather

Jekyll Island Sea Temperature in December

Average sea water temperature in December:
+59.4°F
Minimum sea water temperature in December: 67.8°F
Maximum sea water temperature in December: 49.3°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 58.3°F. The highest and lowest sea temperatures during the month were 64.9°F and 53.2°F.

Monthly sea water temperature in Jekyll 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
Islamorada 76.4°F 73.4°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
Marco Island 71.8°F 68.0°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

Best time for vacation in Jekyll Island

Sunniest months:
October 15 days
January 14 days
March 14 days
Warmest months:
July 88.3 °F
August 86.9 °F
June 86.1 °F
Warmest sea temp:
August 85.1 °F
July 84.7 °F
September 82.1 °F
Coldest months:
January 59.8 °F
December 62.5 °F
February 64.8 °F
Rainiest months:
August 5 days
July 5 days
September 4 days
Windiest months:
December 6.8 mph
October 6.7 mph
January 6.7 mph

Jekyll Island on a weather map

Jekyll Island
+59°F
N 8 mph
Feels like: +59°F
Precip.: 0%
Places in USA:
Name
°F
+46°F
+73°F
+73°F
+36°F
+48°F
+70°F
+75°F
+66°F
+41°F
+46°F
+45°F
+66°F
+68°F
+66°F
+37°F
24 Hours Forecast
Jekyll Island
Local time: 04:54
January 10, saturday
0600
59°F
N
8 mph
0900
61°F
N
7 mph
1200
64°F
N
10 mph
1500
66°F
N
10 mph
1800
64°F
N
9 mph
2100
61°F
N
9 mph
January 11, sunday
0000
61°F
NE
7 mph
0300
61°F
NE
8 mph
Units of measurement: °C / °F