Weather in St. Simons Island: June
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Average day temperature: | 86.1°F |
| Average night temperature: | 74.4°F | |
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Sea water temperature: | 81.1°F |
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Number of sunny days: | 6 days |
| Day length: | 14.1 - 14.2 hours | |
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Number of rainy days: | 3 days |
| Precipitation totals: | 1.3 in. | |
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forecast
| St. Simons Island |
temperature
| St. Simons Island |
Air temperature in June, °F
The highest day temperature during June of 2025 was 91°F. At the same time the lowest night temperature was 68°F. Daily and nightly averages during June were 86.3°F and 77.1°F.
Sea water temperature in St. Simons Island in June, °F
The average sea water temperature in June of 2025 was 82.4°F. The highest and lowest sea temperatures during the month were 85.3°F and 80.2°F.
Mostly all days in June are partly cloudy but sunny or cloudy days are also possible.
Precipitation total in June, in.
Precipitation total value in St. Simons Island in June is 1.3 in. Other months of the year show relatively similar values.
The average wind speed value in June is 6.2 mph It makes June 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 June is: 7.8.
Best time for vacation in St. Simons Island
St. Simons Island on a weather map
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