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.
Ocean temperatures there typically reach 83 Â°F (28 Â°C) in August. The coolest water measured along the mid-Atlantic coast is at Ocean City, Maryland's beach resort town near Assateague Island. Water along its exposed shores gets down to 34 Â°F (1 Â°C) in February and takes longer to warm up in spring.