Weather in St. George Island: August
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Average day temperature: | 86.6°F |
| Average night temperature: | 80.4°F | |
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Sea water temperature: | 86.5°F |
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Number of sunny days: | 8 days |
| Day length: | 12.8 - 13.5 hours | |
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Number of rainy days: | 5 days |
| Precipitation totals: | 2.5 in. | |
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forecast
| St. George Island |
temperature
| St. George Island |
Air temperature in August, °F
The highest day temperature during August of 2025 was 91°F. At the same time the lowest night temperature was 75°F. Daily and nightly averages during August were 85.7°F and 80.1°F.
Sea water temperature in St. George Island in August, °F
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.
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 2.5 in. Other months of the year show relatively similar values.
The average wind speed value in August is 7.5 mph It makes August one of the least windy months of the year.
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: 6.9.
Best time for vacation in St. George Island
St. George Island on a weather map
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