World Resorts USA St. George Island Weather

St. George Island sea water temperature

Current sea water temperature:
+80.4°F
Minimum sea water temperature in May: 84.0°F
Maximum sea water temperature in May: 72.0°F
Average sea water temperature in May: 77.6°F

Sea water temperature for the last 10 days:

May 23 80.4°F May 18 77.5°F
May 22 80.1°F May 17 76.1°F
May 21 80.1°F May 16 76.3°F
May 20 79.5°F May 15 76.8°F
May 19 78.3°F May 14 77.0°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
April 16 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 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
+81°F
N 10 mph
Feels like: +88°F
Precip.: 0%
Places in USA:
Name
°F
+59°F
+75°F
+75°F
+100°F
+72°F
+84°F
+84°F
+70°F
+57°F
+68°F
+64°F
+86°F
+82°F
+75°F
+55°F
24 Hours Forecast
St. George Island
Local time: 18:14
May 23, saturday
2100
77°F
N
6 mph
May 24, sunday
0000
77°F
NE
4 mph
0300
77°F
NW
5 mph
0600
75°F
NW
4 mph
0900
81°F
NW
7 mph
1200
84°F
NW
11 mph
1500
86°F
N
11 mph
1800
84°F
N
11 mph
Units of measurement: °C / °F