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.
Below we show each island's rainfall map and historic weather data for several towns so that you can get an idea of each area's micro climate. The data shown is the historic average rainfall and maximum temperatures for each month. Average nightime low temperatures are usually 10-15 degrees below the high.