World Resorts USA Jekyll Island Weather

Jekyll Island sea water temperature

Current sea water temperature:
+56.1°F
Minimum sea water temperature in December: 67.8°F
Maximum sea water temperature in December: 49.3°F
Average sea water temperature in December: 59.6°F

Sea water temperature for the last 10 days:

December 16 56.1°F December 11 57.9°F
December 15 57.6°F December 10 59.0°F
December 14 56.7°F December 9 62.2°F
December 13 57.6°F December 8 61.9°F
December 12 57.2°F December 7 61.5°F

When is the warmest sea in Jekyll Island?

Based on the data about daily sea water temperature for the last three years the warmest sea in Jekyll Island was noticed in August, July and September.

Monthly Sea Temperatures in Jekyll Island, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 85.7°F. The highest and lowest sea temperatures during the month were 87.8°F and 83.1°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 84.6°F. The highest and lowest sea temperatures during the month were 87.8°F and 81.7°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 80.7°F. The highest and lowest sea temperatures during the month were 83.1°F and 77.7°F.

Best time for vacation in Jekyll Island

Sunniest months:
October 15 days
January 14 days
March 14 days
Warmest months:
July 88.3 °F
August 86.9 °F
June 86.1 °F
Warmest sea temp:
August 85.1 °F
July 84.7 °F
September 82.1 °F
Coldest months:
January 59.8 °F
December 62.7 °F
February 64.8 °F
Rainiest months:
August 5 days
July 5 days
September 4 days
Windiest months:
December 6.7 mph
October 6.7 mph
January 6.7 mph

Jekyll Island on a weather map

Jekyll Island
+54°F
SW 6 mph
Feels like: +54°F
Precip.: 0%
Places in USA:
Name
°F
+48°F
+77°F
+77°F
+70°F
+70°F
+73°F
+77°F
+73°F
+37°F
+66°F
+52°F
+73°F
+75°F
+63°F
+36°F
24 Hours Forecast
Jekyll Island
Local time: 16:08
December 16, tuesday
1800
57°F
SW
7 mph
2100
55°F
SW
6 mph
December 17, wednesday
0000
55°F
SW
4 mph
0300
55°F
S
5 mph
0600
54°F
S
5 mph
0900
55°F
S
5 mph
1200
59°F
SW
4 mph
1500
61°F
SW
5 mph
Units of measurement: °C / °F