Measurements:
°C
°F
Jekyll Island
50°F
S 5 mph
Feels like: 46°F
Precip: 0%
World Resorts USA Jekyll Island Weather

Jekyll Island Sea Water Temperature

Current Sea Water Temperature:
+51.2°F
Maximum Sea Water Temperature in January: 66.4°F
Minimum Sea Water Temperature in January: 47.4°F
Average water temperature in January: 56.4°F

Sea Water Temperature for the Last 10 Days:

January 29 51.2°F January 24 53.0°F
January 28 52.8°F January 23 53.6°F
January 27 54.2°F January 22 52.6°F
January 26 55.0°F January 21 53.2°F
January 25 53.6°F January 20 52.6°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:
October 15 days
January 14 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 60.5 °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 0
Hawaii +74
Honolulu +74
Houston +38
Las Vegas +48
Los Angeles +56
Maui +68
Miami +64
Miami Beach +70
New York +12
San Diego +60
San Francisco +50
Sarasota +58
Tampa +58
Washington +12
24 Hours Weather Forecast
Jekyll Island
Local time: 10:54
29 jan, thursday
1200 50°F
S
5 mph
1500 54°F
W
4 mph
1800 50°F
W
6 mph
2100 48°F
W
6 mph
30 jan, friday
0000 48°F
W
4 mph
0300 46°F
W
2 mph
0600 46°F
E
1 mph
0900 50°F
E
3 mph