GA · climate averages
Atlanta Weather by Month
These are climate averages, not a forecast. Station Atlanta Hartsfield Intl AP (USW00013874), 9.6 miles from downtown, elevation 1010 ft.
Atlanta's warmest month is July (avg high 90.1°F), coldest is January (avg low 35.6°F) and wettest is July (4.75 in), per NOAA 1991–2020 climate normals.
- Warmest high July 90.1°F
- Coldest low January 35.6°F
- Wettest month July 4.75 in
- Year of rain 12 months 50.43 in
Monthly Averages
Atlanta's 12 monthly precipitation normals add up to 50.43 inches a year.
October is the driest month, with a precipitation normal of 3.28 inches.
January, February, March and December are the months with a snowfall normal above 0.1 inch, and they sum to 2.2 inches.
Atlanta averages 116.3 days a year with at least 0.01 inch of precipitation.
| Month | Avg high | Avg low | Precipitation | Days ≥ 0.01 in | Snow |
|---|---|---|---|---|---|
| January | 54.0°F | 35.6°F | 4.59 in | 11.1 | 1.0 in |
| February | 58.2°F | 38.9°F | 4.55 in | 10.4 | 0.4 in |
| March | 65.9°F | 45.3°F | 4.68 in | 10.5 | 0.4 in |
| April | 73.8°F | 52.5°F | 3.81 in | 8.9 | 0.0 in |
| May | 81.1°F | 61.3°F | 3.56 in | 9.4 | 0.0 in |
| June | 87.1°F | 68.6°F | 4.54 in | 11.1 | 0.0 in |
| July | 90.1°F | 71.8°F | 4.75 in | 12.0 | 0.0 in |
| August | 89.0°F | 71.3°F | 4.30 in | 10.2 | 0.0 in |
| September | 83.9°F | 65.9°F | 3.82 in | 7.3 | 0.0 in |
| October | 74.4°F | 54.9°F | 3.28 in | 6.8 | 0.0 in |
| November | 64.1°F | 44.2°F | 3.98 in | 7.9 | 0.0 in |
| December | 56.2°F | 38.4°F | 4.57 in | 10.7 | 0.4 in |
Warmest, Coldest and Wettest Months
The warmest month is July, with an average high of 90.1°F.
The coldest month is January, with an average low of 35.6°F.
The wettest month is July, at 4.75 inches of precipitation over about 12.0 days.
July is the only month in Atlanta with an average high of at least 90°F.
The range from the lowest average low to the highest average high in Atlanta is 54.5°F.
In July, the average high in Atlanta is 18.3°F above the average low.
Best Months to Visit Atlanta for Weather
April, May, September and October meet the weather rule on this page: an average high from 65 to 85°F and precipitation below 4.20 inches.
The rule keeps a month when the average high is from 65 to 85°F and precipitation is below 4.20 inches, the mean of the twelve monthly precipitation normals.
- April · 73.8°F
- May · 81.1°F
- September · 83.9°F
- October · 74.4°F
Nearby cities
Savannah is the closest other city on this site, 226.4 miles away. Its July average high is 92.3°F, 2.2°F warmer than Atlanta.
| City | Miles | Avg high | Avg low | Precipitation |
|---|---|---|---|---|
| Savannah | 226.4 | 92.3°F | 73.7°F | 5.75 in |
About This Data
Source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991–2020. Station: ATLANTA HARTSFIELD INTL AP (USW00013874), 9.6 mi from downtown, elevation 1010 ft. Climate normals are 30-year averages, not forecasts. MonthSky is not affiliated with NOAA.
Palecki, Michael; Durre, Imke; Applequist, Scott; Arguez, Anthony; Lawrimore, Jay (2021). U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991-2020). NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.25921/wck8-er13. Accessed 2026-10-21.
U.S. Government work.
NOAA and NCEI cannot provide any warranty as to the accuracy, reliability, or completeness of furnished data. Users assume responsibility to determine the usability of these data. The user is responsible for the results of any application of this data for other than its intended purpose.
NOAA and NCEI make no warranty, expressed or implied, regarding these data, nor does the fact of distribution constitute such a warranty. NOAA and NCEI cannot assume liability for any damages caused by any errors or omissions in these data. If appropriate, NCEI can only certify that the data it distributes are an authentic copy of the records that were accepted for inclusion in the NCEI archives.
These pages are built automatically from public NOAA data.
U.S. Monthly Climate Normals (1991-2020) dataset
NCEI dataset landing page for the monthly normals
FAQ
What is the hottest month in Atlanta?
July is the warmest, with an average high of 90.1°F.
What is the wettest month in Atlanta?
July is the wettest, at 4.75 inches over about 12.0 days.
How many rainy days does Atlanta get a year?
The monthly counts of days with at least 0.01 inch of precipitation add up to 116.3 days.
When is the best time to visit Atlanta for weather?
April, May, September and October meet the rule used on this page: average high from 65 to 85°F and precipitation below the monthly mean of 4.20 inches.