Our weather and climate analysis offers a detailed understanding of average weather patterns for locations across the globe. Derived from 26 years of historical simulated weather data from ECMWF, it provides valuable insights into typical weather conditions, including air temperature, humidity, precipitation, cloud cover and wind. It is important to note the data is not observational, but rather derived from climate reanalysis.
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United States > Atlanta, GA > Overview
Discover if upcoming months are expected to be warmer, colder, wetter, or drier than average
What is the best time to visit Atlanta to enjoy the optimal weather conditions?
This quick reference weather table contains a summary of the annual climate trends in Atlanta. It contains key metrics, including average monthly high & low temperatures, rainfall, humidity and UV index. The data is presented on a monthly basis, allowing you to see how each these weather components change throughout the year.
Atlanta's long-term climate patterns earn these Weather Badges.
Explore the most extreme weather events in Atlanta over the past 26 years, including record highs and lows for temperatures, rainfall, and wind speeds. This data is sourced from the latest ERA5 reanalysis model spanning 2000 to 2025.
Explore weather patterns in areas close to Atlanta, United States
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Use our Climate Finder to search locations by their temperature and humidity patterns.
Weather guides, climate insights, and travel planning stories that talk about Atlanta.
Atlanta features a distinct seasonal rhythm characterized by intense summer heat and mild winters. During the height of the warm season, the average daily high reaches 31.3°C (88.3°F), creating a sultry environment where temperatures rarely exceed 34.4°C (93.9°F). The colder months provide relief, with average lows dipping to 1.4°C (34.5°F) in the coolest month, though hard freezes are infrequent as the temperature rarely falls below -5.9°C (21.4°F). The transition between seasons is marked, moving from a summer average of 25.8°C (78.4°F) to a winter mean of 7.7°C (45.9°F).
Precipitation is substantial and distributed throughout the year, leading to high humidity levels and lush vegetation. The wettest period occurs in spring, with the highest monthly rainfall averaging 121 mm (5 in), contributing to a total annual precipitation of 1,206 mm (47 in). Late summer brings the most stifling moisture, as relative humidity peaks at 73.1. However, autumn brings a pleasant dryness, with October serving as the driest month with only 73 mm (3 in) of rain. Sunshine is most prevalent in July, which records 299.4 hours of light.
Environmental conditions include moderate breezes and significant solar intensity. Winds typically arrive from the NW, with the strongest average speeds of 12.8 km/h (8.0 mph) occurring in January. During the sunniest months, the average peak UV Index is 7.9. WeatherBox data shows that while heavy cloud cover is common in mid-summer, clear skies are most frequent in October. Explore the advanced weather charts on the WeatherBox website for a comprehensive breakdown of these climatic statistics.