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.
The climate in Georgia is a major reason so many people continue to move to the state. A warm summer brings an average temperature of 80 degrees and the added benefit of âIndian summerâ stretching into October. Autumn is brisk, with brilliant fall foliage throughout the state, particularly in the mountains.