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.
Marco Island Florida Weather. Southwest Florida is a tropical paradise. Warm temperatures, balmy breezes, sunny skies and an occasional shower are the norm for Marco Island. The Gulf Water temperature ranges from the mid 60's January through March and up into the mid 80's from June through September. Southwest Florida's average air temperature is 77 degrees.