Decatur, GA has a humid subtropical climate, with mild winters and hot summers. The average temperature in the winter months ranges from 40-50°F, and the average summer temperature is around 80-90°F. The area receives an average of about 50 inches of rainfall annually, most of which occurs during the spring and summer months when thunderstorms are common. Snowfall is also occasionally seen in Decatur, usually in the form of light dustings that rarely accumulate. Overall, Decatur enjoys a moderate climate with comfortable weather year-round.
Decatur, Georgia gets 53 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Decatur averages 2 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 218 sunny days per year in Decatur. The US average is 205 sunny days.
Decatur gets some kind of precipitation, on average, 109 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 88 degrees
Winter Low: the January low is 33
Rain: averages 53 inches of rain a year
Snow: averages 2 inches of snow a year