Averages are for Fulton County Airport-Brown Field, which is 12 miles from Marietta. There are also monthly and yearly counts of nights with warm temperatures and details on days with cold weather. In July, the warmest month, the average day time temperature rises to 89.4°F. Average humidity values are given for selected morning and afternoon observations. Find the best time to go to Atlanta (Georgia). Maximum relative humidity values usually occur during morning hours. CityRating.com offers the average atlanta relative humidity chart that displays the annual and monthly humidity percentages for atlanta and dozens of other cities. In Atlanta, there are 4 comfortable months with high temperatures in the range of 70-85°. Average monthly Rainfall, Sunshine, Temperatures. In this case, we configure AVERAGEIFS to average amounts by month using two criteria: (1) match dates greater than or equal to the first day of the month, (2) match dates less than or equal to the last day of the month. Atlanta climate summary The Atlanta lies on 222m above sea level Generally, it is cold and temperate in Atlanta. Atlanta, Georgia - Travel and vacation weather averages, current conditions and forecasts. CityRating.com offers the average Atlanta temperature chart that displays the annual and monthly temperatures for Atlanta and dozens of other cities. Find historical weather by searching for a city, zip code, or airport code. Atlanta weather averages and climate Atlanta, Georgia. On average there are 118 days per year with more than 0.1 mm (0.004 in) of rainfall (precipitation) or 9.8 days with a quantity of rain, sleet, snow etc. The average annual rainfall is 1303 mm. Average relative humidity in Atlanta; Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec; 69%: 64%: 63%: 62%: 68%: 70%: 74%: 75%: 75%: 70%: 69%: 69% To find out how often it rises over 70, 80 or 90 °F each month in Atlanta, scroll down farther. Average humidity in Atlanta (Georgia) On average, August is the most humid. This location is classified as Cfa by Köppen and Geiger. Average temperature is the most popular factor that people take into consideration when looking for the best city to live in. On average, the coolest month is January. Include a date for which you would like to see weather history. A climate graph showing the rainfall data, temperatures and normals. Relative humidity is probalby the second most popular factor that people take into consideration when looking for the weather of a city to live in. Most rainfall (rainy season) is seen in January, February, March, June, July, September and November. Atlanta is a city with a significant rainfall. Includes monthly temperatures, rainfall, hours of sunshine and relative humidity On average, April is the least humid month.