The eastern portion of the state borders the Atlantic Ocean for 100 miles and within the state, there are major rivers, such as the Chattahoochee, Flint, Savannah and Suwannee Rivers.
Elevation changes across the state range from sea level along the east coast to a peak height of 4,784 feet at Brasstown Bald in northern Georgia, in the southern extent of the Appalachian Mountains. These changes greatly influence the local climate of an area.
The westerly prevailing winds are found between 30°N and 60°N, and these prevailing winds help steer large scale weather systems and have a large impact on the weather and climate of Georgia. Winds are primarily out of the southwest during the summer and from the northwest during the winter.
Af - Tropical Rainforest
The average monthly temperatures are greater than 64°F all year long. These regions have no dry season and the rainfall is generally evenly distributed throughout the year. The driest month has at least 2.4" of rain.
Am - Tropical Monsoon
The average monthly temperatures are greater than 64°F all year long. The highest annual temperature occurs just prior to the rainy season. This climatic zone has a pronounced wet season and a short dry season. There are one or more months with less than 2.4" total rainfall.
Aw - Tropical Savanna
The average monthly temperatures are greater than 64°F all year long. The winter months tend to be the dry season and more than two months of the year report less than 2.4" of total rainfall.
Cfa - Humid Subtropical
This climate zone has warm-to-hot summers with mild winters. The average temperature of the coldest month is below 64°F and above 27°F. There is usually no dry season, with highly variable year-round rainfall.