Measurements:
°C
°F
Jekyll Island
82°F
SE 6 mph
Feels like: 86°F
Precip: 0%
World Resorts USA Jekyll Island Weather

Jekyll Island Sea Water Temperature

Current Sea Water Temperature:
+77.6°F
Maximum Sea Water Temperature in May: 86.2°F
Minimum Sea Water Temperature in May: 72.8°F
Average water temperature in May: 78.9°F

Sea Water Temperature for the Last 10 Days:

May 14 77.6°F May 09 76.6°F
May 13 77.6°F May 08 77.0°F
May 12 77.8°F May 07 75.0°F
May 11 78.0°F May 06 75.0°F
May 10 77.0°F May 05 74.6°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:
January 15 days
October 15 days
April 15 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 65.7 °F
The most rainy months:
August 5 days
July 5 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 +62
Chicago +56
Hawaii +76
Honolulu +76
Houston +94
Las Vegas +88
Los Angeles +66
Maui +70
Miami +94
Miami Beach +90
New York +68
San Diego +66
San Francisco +62
Sarasota +94
Tampa +94
24 Hours Weather Forecast
Jekyll Island
Local time: 12:14
14 may, thursday
1500 86°F
E
6 mph
1800 84°F
SE
9 mph
2100 72°F
SE
9 mph
15 may, friday
0000 66°F
SE
9 mph
0300 64°F
S
8 mph
0600 64°F
SW
10 mph
0900 72°F
SW
14 mph
1200 76°F
SW
14 mph