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.
Other Marine Near to Harbour Island Club & Marina. Taking a look at the forecast over the coming week and the average daytime maximum will be around 33Â°C, with a high of 34Â°C expected on Thursday morning. The average minimum temperature for the week ahead will be around 29Â°C, dipping to its lowest on Friday morning at 29Â°C.