Measurements:
°C
°F
Jekyll Island
74°F
SW 4 mph
Feels like: 80°F
Precip: 62%
World Resorts USA Jekyll Island Weather

Jekyll Island Sea Water Temperature

Current Sea Water Temperature:
+83.6°F
Maximum Sea Water Temperature in October: 85.0°F
Minimum Sea Water Temperature in October: 69.0°F
Average water temperature in October: 77.6°F

Sea Water Temperature for the Last 10 Days:

October 05 83.6°F September 30 81.8°F
October 04 83.2°F September 29 82.0°F
October 03 83.4°F September 28 82.0°F
October 02 82.6°F September 27 82.0°F
October 01 82.4°F September 26 84.0°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: 2026 2025 2024

The average sea surface temperature in August 2026 for Jekyll Island was 89.1°F. The maximum and minimum values were 87.6°F and 91.0°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: 2026 2025 2024

The average sea surface temperature in September 2026 for Jekyll Island was 87.4°F. The maximum and minimum values were 81.8°F and 90.4°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 91.5 °F
June 90.3 °F
Warmest sea temperature:
August 89.0 °F
July 88.7 °F
September 85.9 °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
F°
Boston +58
Chicago +62
Hawaii +82
Houston +86
Las Vegas +92
Los Angeles +100
Maui +74
Miami +88
Myrtle Beach +70
New York +62
San Diego +84
San Francisco +66
Santa Monica +94
Sarasota +84
Washington +64
24 Hours Weather Forecast
Jekyll Island
Local time: 19:52
05 oct, monday
2100 74°F
SW
4 mph
06 oct, tuesday
0000 76°F
SW
6 mph
0300 74°F
SW
4 mph
0600 72°F
SW
4 mph
0900 74°F
SW
4 mph
1200 74°F
SW
6 mph
1500 74°F
SW
6 mph
1800 72°F
SW
4 mph