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.
Sea Island Magic! The sea islands that extend along the Eastern coast of South Carolina and Georgia have a history and a style all their own. From the sandy beaches of Edisto Island, SC to the isolated beauty of Cumberland Island, GA, the South Atlantic coast boasts a variety of islands that appeal to the dreamer in each of us.