An amount below 100 means Dayton, Ohio is cheaper than the US average. A cost of living index above 100 means Dayton, Ohio is more expensive.
Sea Island, GA Weather. The average temperature of Sea Island is 67.50Â°F, which is much higher than the Georgia average temperature of 62.30Â°F and is much higher than the national average temperature of 54.45Â°F. Historical Weather.
In April, for the nearest coastal location, the temperature of the sea averages around 12Â°C, that's 54Â° Fahrenheit. Our index indicates for swimming this is considered cold and even the most hardy among us would find any more than a few minutes in the water uncomfortable.