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.
Explore Your Island Weather. This is weather that you can quickly get used to. The trade winds have blessed us with warm year-round weather, with winter lows averaging a comfortable 70 degrees Fahrenheit and summer highs with high humidity at around 80â90, with a gentle dip at night of just 5 to 7 degrees.