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.
Weather. In general, the weather in the Island is very soft, warm and moderated during all seasons of the year. There are not periods of intense cold or very high temperatures. The average temperature is around 18Â°C/62Â°F in winter and it reaches around 25Â°C/81Â°F degrees in summer.The following data shows the different average temperatures by month, as well as the precipitation in mm followed by sun hours.he average temperature is around 18Â°C/62Â°F in winter and it reaches around 25Â°C/81Â°F degrees in summer. The following data shows the different average temperatures by month, as well as the precipitation in mm followed by sun hours.