World Resorts USA St. George Island Weather

St. George Island sea water temperature

Current sea water temperature:
+85.6°F
Minimum sea water temperature in July: 88.9°F
Maximum sea water temperature in July: 81.9°F
Average sea water temperature in July: 85.5°F

Sea water temperature for the last 10 days:

July 2 85.6°F June 27 84.7°F
July 1 85.5°F June 26 84.7°F
June 30 85.6°F June 25 85.6°F
June 29 86.4°F June 24 84.6°F
June 28 85.8°F June 23 84.9°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 85.0 °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
+75°F
S 4 mph
Feels like: +79°F
Precip.: 8%
Places in USA:
Name
°F
+82°F
+77°F
+77°F
+59°F
+79°F
+84°F
+72°F
+77°F
+84°F
+63°F
+54°F
+77°F
+79°F
+79°F
+66°F
24 Hours Forecast
St. George Island
Local time: 03:20
July 03, friday
0600
73°F
SW
2 mph
0900
82°F
S
2 mph
1200
90°F
NW
4 mph
1500
90°F
N
11 mph
1800
90°F
NE
8 mph
2100
82°F
E
6 mph
July 04, saturday
0000
81°F
E
6 mph
0300
81°F
E
3 mph
Units of measurement: °C / °F