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Our Climate and Current Weather
Among the many reasons to choose Tattnall County as a place to live, work and play is Georgia's amazing climate. Our warm spring and summer are refreshingly offset by cool crisp fall days and pleasant winter weather.
Technically, Tattnall County has a humid subtropical climate. Temperature averages range from a mild 54.7 degrees in the winter to a humid 77.6 degrees in the summer. On average, there are five days with 100 degree-plus highs (but they do not occur every year), 83 days with 90 degree-plus highs and 43 days with a low at or below freezing. The average window for freezing temperatures is November 7 through March 22, allowing a growing season of 198 days.
Our warm summer brings an average temperature of 92 degrees and the added benefit of "Indian summer" stretching into October.
- Autumn is brisk, with brilliant fall foliage in our area and throughout the state, particularly in the mountains.
- Winters are brief, with average temperatures in the 40s and a rare dusting of snow.
- Springtime is glorious with mild days, cool nights and the beauty of dogwoods, azaleas and other flora.
For as long as records have been kept, Georgia has benefited from ample rainfall and ranks high among contiguous states in annual precipitation, typically around 50.3 inches, according to the National Climatic Data Center. The U.S. average is 39.17.
The blend of sunshine and rainfall has helped Tattnall County become a national leader in agriculture, energy and other businesses that rely on clean, safe water.
If you like snow, Tattnall County would not be your first choice. Snow is rare, with about only trace amounts falling if any, averaging 0.1 inches. That's 100 percent below the national average! The snowiest winter was 1972−73 with five inches. The average U.S. city gets 25 inches each year. The number of days with any measurable precipitation is 111.
On average, there are 216 sunny days per year in Tattnall County. The average July high is around 92 degrees. The January low is 39.8. Our comfort index, which is based on humidity during the hot months, is a 28 out of 100, where higher is more comfortable. The U.S. average on the comfort index is 44.