World Resorts USA St. George Island Weather

St. George Island sea water temperature

Current sea water temperature:
+66.9°F
Minimum sea water temperature in December: 68.7°F
Maximum sea water temperature in December: 54.9°F
Average sea water temperature in December: 63.2°F

Sea water temperature for the last 10 days:

December 4 66.9°F November 29 68.4°F
December 3 66.9°F November 28 70.0°F
December 2 67.5°F November 27 72.0°F
December 1 68.0°F November 26 71.1°F
November 30 68.7°F November 25 71.1°F

When is the warmest sea in St. George Island?

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

Monthly Sea Temperatures in St. George Island, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 86.5°F. The highest and lowest sea temperatures during the month were 88.0°F and 84.7°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 86.4°F. The highest and lowest sea temperatures during the month were 88.9°F and 85.1°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 83.5°F. The highest and lowest sea temperatures during the month were 85.1°F and 81.7°F.

Best time for vacation in St. George Island

Sunniest months:
October 20 days
March 16 days
November 15 days
Warmest months:
July 86.8 °F
August 86.6 °F
June 84.8 °F
Warmest sea temp:
August 86.5 °F
July 85.5 °F
September 83.8 °F
Coldest months:
January 59.0 °F
December 62.6 °F
February 63.2 °F
Rainiest months:
August 5 days
April 4 days
July 4 days
Windiest months:
January 9.5 mph
March 9.0 mph
November 8.9 mph

St. George Island on a weather map

St. George Island
+63°F
W 11 mph
Feels like: +63°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+77°F
+77°F
+45°F
+55°F
+70°F
+77°F
+70°F
+25°F
+57°F
+48°F
+63°F
+63°F
+46°F
+9°F
24 Hours Forecast
St. George Island
Local time: 22:58
December 05, friday
0000
63°F
W
11 mph
0300
64°F
NW
12 mph
0600
68°F
N
12 mph
0900
70°F
NE
8 mph
1200
72°F
NE
12 mph
1500
72°F
E
11 mph
1800
70°F
SE
9 mph
2100
61°F
S
9 mph
Units of measurement: °C / °F