Atlanta Seasonal temperature break down - The average median temperature March through May is approximately 63°F with highs averaging at 77°F and lows averaging at 50°F. June through August has an approximate average median temperature of 78°F with highs averaging at 90°F, lows typically average at 68°F. Average median temperatures September through November average out at 65°F, high temperatures average out at 79°F and lows average at 52°F.
The average median temperature December through February is approximately 48°F with highs averaging at 61°F, lows average out at 37°F.
The average Atlanta annual median temperature averages out at approximately 64°F. The coldest month in Atlanta is January with a median temperature of 44°F, the average high for the month of January is 57°F with an average low of 33°F. The hottest month in Atlanta is July with an approximate median temperature of 80°F, the average high for the month of July is 92°F with an average low of 70°F.