World Resorts USA St. George Island Weather

St. George Island sea water temperature

Current sea water temperature:
+78.6°F
Minimum sea water temperature in October: 83.7°F
Maximum sea water temperature in October: 70.5°F
Average sea water temperature in October: 77.4°F

Sea water temperature for the last 10 days:

October 12 78.6°F October 7 82.6°F
October 11 81.0°F October 6 82.9°F
October 10 80.8°F October 5 82.9°F
October 9 81.7°F October 4 83.1°F
October 8 82.0°F October 3 83.3°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:
2026
2025
2024

The average sea water temperature in August of 2026 was 86.7°F. The highest and lowest sea temperatures during the month were 88.2°F and 85.3°F.

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 86.3°F. The highest and lowest sea temperatures during the month were 88.0°F and 84.4°F.

Sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 85.2°F. The highest and lowest sea temperatures during the month were 86.9°F and 82.6°F.

Best time for vacation in St. George Island

Sunniest months:
October 20 days
March 16 days
April 16 days
Warmest months:
July 87.1 °F
August 86.6 °F
June 85.0 °F
Warmest sea temp:
August 86.5 °F
July 85.6 °F
September 84.0 °F
Coldest months:
January 58.9 °F
December 62.5 °F
February 63.0 °F
Rainiest months:
August 5 days
July 4 days
September 3 days
Windiest months:
January 9.4 mph
November 8.9 mph
March 8.9 mph

St. George Island on a weather map

St. George Island
+73°F
S 6 mph
Feels like: +77°F
Precip.: 6%
Places in USA:
Name
°F
+59°F
+61°F
+79°F
+64°F
+64°F
+82°F
+73°F
+70°F
+64°F
+66°F
+59°F
+64°F
+75°F
+75°F
+75°F
24 Hours Forecast
St. George Island
Local time: 01:01
October 13, tuesday
0300
72°F
S
6 mph
0600
70°F
S
6 mph
0900
72°F
S
7 mph
1200
82°F
SW
6 mph
1500
84°F
NW
6 mph
1800
79°F
NE
6 mph
2100
75°F
E
3 mph
October 14, wednesday
0000
73°F
S
2 mph
Units of measurement: °C / °F