Measurements:
°C
°F
Jekyll Island
70°F
NE 9 mph
Feels like: 70°F
Precip: 0%
World Resorts USA Jekyll Island Weather

Jekyll Island Sea Water Temperature

Current Sea Water Temperature:
+55.6°F
Maximum Sea Water Temperature in February: 67.0°F
Minimum Sea Water Temperature in February: 45.4°F
Average water temperature in February: 57.0°F

Sea Water Temperature for the Last 10 Days:

February 21 55.6°F February 16 53.0°F
February 20 54.8°F February 15 51.8°F
February 19 55.2°F February 14 52.8°F
February 18 53.8°F February 13 52.0°F
February 17 55.8°F February 12 49.8°F

When is the Warmest Sea for Jekyll Island?

According to our data for the last three years for Jekyll Island the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Jekyll Island was 89.7°F. The maximum and minimum values were 86.8°F and 92.0°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Jekyll Island was 88.4°F. The maximum and minimum values were 85.2°F and 92.0°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Jekyll Island was 84.1°F. The maximum and minimum values were 80.8°F and 86.8°F respectively.

Best Time to Visit Jekyll Island
The most sunny months:
January 15 days
October 15 days
March 14 days
The most warm months:
July 92.6 °F
August 91.0 °F
June 90.1 °F
Warmest sea temperature:
August 89.0 °F
July 88.5 °F
September 85.6 °F
The most cold months:
January 60.4 °F
December 63.8 °F
February 66.4 °F
The most rainy months:
August 5 days
July 5 days
September 4 days
The most windy months:
January 7 mph
December 6 mph
October 6 mph

Jekyll Island on the Weather Map

USA Resorts:
NAME
Chicago +28
Hawaii +72
Honolulu +72
Houston +74
Las Vegas +34
Los Angeles +40
Maui +66
Miami +74
Miami Beach +78
New York +38
San Diego +44
San Francisco +42
Sarasota +68
Tampa +70
Washington +38
24 Hours Weather Forecast
Jekyll Island
Local time: 08:21
21 feb, saturday
0900 70°F
NE
9 mph
1200 80°F
NE
9 mph
1500 86°F
NE
7 mph
1800 80°F
E
3 mph
2100 74°F
NW
2 mph
22 feb, sunday
0000 70°F
NE
8 mph
0300 66°F
NE
12 mph
0600 64°F
E
12 mph