In December, Atlanta typically sees daytime highs of 13.0°C and overnight lows around 1.4°C. Compared to the annual average high of 22.5°C, December runs -9.5°C.
December in Atlanta averages a daytime high of 13.0°C and an overnight low of 1.4°C.
December runs -9.5°C compared to Atlanta's annual average high of 22.5°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 13.0°C and cooler evenings around 1.4°C.