World Resorts USA St. George Island Weather

St. George Island weather in August

Weather in St. George Island: August

Average day temperature: 86.6°F
Average night temperature: 80.1°F
Sea water temperature: 86.5°F
Number of sunny days: 8 days
Day length: 12.8 - 13.5 hours
Number of rainy days: 5 days
Precipitation totals: 4.0 in.

Air temperature in August, °F

Show year:
2026
2025
2024

The highest day temperature during August of 2026 was 93°F. At the same time the lowest night temperature was 73°F. Daily and nightly averages during August were 86.5°F and 78.0°F.

Sea water temperature in St. George Island 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.

Sunny, partly cloudy and cloudy days

Mostly all days in August are partly cloudy but sunny or cloudy days are also possible.

Precipitation total in August, in.

Precipitation total value in St. George Island in August is 4.0 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 7.5 mph It makes August one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 7.1.

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 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
+86°F
W 9 mph
Feels like: +95°F
Precip.: 18%
Places in USA:
Name
°F
+70°F
+91°F
+77°F
+82°F
+70°F
+88°F
+63°F
+91°F
+73°F
+73°F
+63°F
+70°F
+86°F
+81°F
+75°F
24 Hours Forecast
St. George Island
Local time: 10:43
September 02, wednesday
1200
86°F
W
9 mph
1500
90°F
NW
13 mph
1800
86°F
NW
8 mph
2100
81°F
NW
7 mph
September 03, thursday
0000
81°F
W
5 mph
0300
79°F
SW
6 mph
0600
77°F
SW
6 mph
0900
79°F
SW
7 mph
Units of measurement: °C / °F