雨氷
As with the rest of the state, Augusta has a humid subtropical climate (Köppen "Cfa"), with short, mild winters, very hot, humid summers, and a wide diurnal temperature variation throughout much of the year, despite its low elevation and moisture. The monthly daily average temperature ranges from in January to in July; there are 53 nights with the low reaching the freezing mark, 82 days reaching or exceeding , and 5.5 days reaching annually. Extreme temperatures range from on January 21, 1985 up to on August 10, 2007 and August 21, 1983. Snowfall is not nearly as common as in Atlanta, due largely to Augusta's elevation, with downtown Augusta being about lower than downtown Atlanta. Freezing rain is also a threat in wintertime.