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.
Some of the warmest sea water is at Solomons Island in Maryland, a fishing village and boating resort located where the Patuxent River empties into Chesapeake Bay. Ocean temperatures there typically reach 83 Â°F (28 Â°C) in August.