Measurements:
°C
°F
Jekyll Island
94°F
NW 12 mph
Feels like: 110°F
Precip: 4%
World Resorts USA Jekyll Island Weather

Jekyll Island Sea Water Temperature

Current Sea Water Temperature:
+88.4°F
Maximum Sea Water Temperature in August: 92.2°F
Minimum Sea Water Temperature in August: 85.6°F
Average water temperature in August: 89.1°F

Sea Water Temperature for the Last 10 Days:

August 05 88.4°F July 31 90.8°F
August 04 89.4°F July 30 90.6°F
August 03 90.6°F July 29 92.4°F
August 02 90.8°F July 28 90.4°F
August 01 91.0°F July 27 90.4°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: 2026 2025 2024

The average sea surface temperature in July 2026 for Jekyll Island was 90.1°F. The maximum and minimum values were 88.8°F and 92.4°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
April 15 days
The most warm months:
July 93.4 °F
August 91.0 °F
June 90.3 °F
Warmest sea temperature:
August 89.0 °F
July 88.7 °F
September 85.6 °F
The most cold months:
January 60.4 °F
December 63.8 °F
February 65.7 °F
The most rainy months:
August 5 days
July 4 days
September 4 days
The most windy months:
February 7 mph
January 7 mph
April 7 mph

Jekyll Island on the Weather Map

USA Resorts:
NAME
Boston +94
Chicago +82
Hawaii +82
Houston +102
Las Vegas +124
Los Angeles +92
Maui +78
Miami +92
Myrtle Beach +84
New York +84
San Diego +80
San Francisco +62
Santa Monica +80
Sarasota +92
Washington +88
24 Hours Weather Forecast
Jekyll Island
Local time: 14:24
05 aug, wednesday
1500 94°F
NW
12 mph
1800 90°F
NW
12 mph
2100 86°F
NW
11 mph
06 aug, thursday
0000 84°F
NW
8 mph
0300 82°F
N
6 mph
0600 80°F
NE
4 mph
0900 82°F
E
1 mph
1200 92°F
NW
6 mph