Climateby Month

Atlanta, GA climate by month

NOAA 1991-2020 normals · 1,050 ft elevation · also covers South Fulton

Summers in Atlanta are hot and oppressively humid; winters are chilly. Highs peak at 90°F in July and fall to 54°F in January. Wet days are spread through the year, from about 7 to 12 a month. Normal snowfall is about 2.2 in a year. The most comfortable time to visit is April.

Warmest month
90°F
July normal high
Coldest month
36°F
January normal low
Wet days a year
116
50.4 in of precipitation
Snow a year
2.2 in
normal snowfall

How warm is Atlanta?

Normal highs range from 54°F in January to 90°F in July.

20°40°60°80°100° January: normal high 54°F (12°C), low 36°F (2°C) 54° 36° February: normal high 58°F (14°C), low 39°F (4°C) March: normal high 66°F (19°C), low 45°F (7°C) April: normal high 74°F (23°C), low 53°F (12°C) May: normal high 81°F (27°C), low 61°F (16°C) June: normal high 87°F (31°C), low 69°F (21°C) July: normal high 90°F (32°C), low 72°F (22°C) 90° 72° August: normal high 89°F (32°C), low 71°F (22°C) September: normal high 84°F (29°C), low 66°F (19°C) October: normal high 74°F (23°C), low 55°F (13°C) November: normal high 64°F (18°C), low 44°F (7°C) December: normal high 56°F (13°C), low 38°F (3°C) JFMAMJJASOND

Bars run from the normal low to the normal high for each month.

How rainy is Atlanta?

July has the most wet days (about 12); the year brings about 50 in of precipitation.

January: 11 wet days February: 10 wet days March: 11 wet days April: 9 wet days May: 9 wet days June: 11 wet days July: 12 wet days 12 August: 10 wet days September: 7 wet days October: 7 wet days 7 November: 8 wet days December: 11 wet days JFMAMJJASOND

Wet day: at least 0.01 in of rain or melted snow, counted from daily records 1991-2020.

How much does it snow?

Normal snowfall is 2.2 in a year, most of it in January.

January: 1.0 in of snow 1.0 February: 0.4 in of snow March: 0.4 in of snow April: 0.0 in of snow 0.0 May: 0.0 in of snow June: 0.0 in of snow July: 0.0 in of snow August: 0.0 in of snow September: 0.0 in of snow October: 0.0 in of snow November: 0.0 in of snow December: 0.4 in of snow JFMAMJJASOND

How humid is Atlanta?

Muggy days peak in July, at about 27 days.

January: 0 muggy days 0 February: 0 muggy days March: 0 muggy days April: 0 muggy days May: 6 muggy days June: 18 muggy days July: 27 muggy days 27 August: 25 muggy days September: 12 muggy days October: 3 muggy days November: 0 muggy days December: 0 muggy days JFMAMJJASOND

Muggy day: daily mean dew point of 65°F or higher, from hourly observations 1991-2020 at Hartsfield-Jackson Atlanta Intl Airport, 8.8 mi SSW of the city center.

How much daylight?

Daylight ranges from about 10.0 hours in December to 14.4 hours in June.

January: 10.2 hours of daylight February: 11.0 hours of daylight March: 12.0 hours of daylight April: 13.0 hours of daylight May: 13.9 hours of daylight June: 14.4 hours of daylight 14.4 July: 14.1 hours of daylight August: 13.4 hours of daylight September: 12.4 hours of daylight October: 11.3 hours of daylight November: 10.4 hours of daylight December: 9.9 hours of daylight 9.9 JFMAMJJASOND
See all numbers
Monthly climate normals and day counts for Atlanta, 1991-2020
MonthHighLowPrecip.Wet daysSnowMuggy daysDaylight
January 54°F36°F 4.6 in11 1.0 in 0 10.2 h
February 58°F39°F 4.5 in10 0.4 in 0 11.0 h
March 66°F45°F 4.7 in11 0.4 in 0 12.0 h
April 74°F53°F 3.8 in9 0.0 in 0 13.0 h
May 81°F61°F 3.6 in9 0.0 in 6 13.9 h
June 87°F69°F 4.5 in11 0.0 in 18 14.4 h
July 90°F72°F 4.8 in12 0.0 in 27 14.1 h
August 89°F71°F 4.3 in10 0.0 in 25 13.4 h
September 84°F66°F 3.8 in7 0.0 in 12 12.4 h
October 74°F55°F 3.3 in7 0.0 in 3 11.3 h
November 64°F44°F 4.0 in8 0.0 in 0 10.4 h
December 56°F38°F 4.6 in11 0.4 in 0 9.9 h

High and low: NOAA 1991-2020 normal daily high and low. Wet days: at least 0.01 in of rain or melted snow. Muggy days: daily mean dew point 65°F or higher.

Best months to visit Atlanta

By our comfort score, the best month is April.

Comfort score by month (0-100) and its parts, in days per month
MonthScoreComfortableNotable rainHot or cold
Jan 46574
Feb 54871
Mar 681670
Apr 741860
May 63962
Jun 471810
Jul 410816
Aug 420714
Sep 52555
Oct 691740
Nov 601260
Dec 48672

Score = 40 × share of comfortable days + 25 × share of days without notable rain + 20 × share of days neither hot (90°F+) nor cold (high 40°F or below) + 15 × daylight. How the score works.

Frost dates in Atlanta

The last spring frost typically comes around Mar 15, and the first fall frost around Nov 20, leaving 252 frost-free days in a typical year.

Frost and freeze dates for Atlanta
Typical date1 year in 10
Last spring frost (32°F)Mar 15after Apr 4
First fall frost (32°F)Nov 20before Nov 4
Last hard freeze (28°F)Feb 28after Mar 20
First hard freeze (28°F)Dec 5before Nov 14
Frost-free season252 daysunder 226 days

"Typical" is the date with a 50% chance of a later spring frost (or earlier fall frost). Planting after the "1 year in 10" spring date gives a 90% chance of no further frost. The Old Farmer's Almanac publishes 30% dates, which fall between our typical and 1-in-10 dates.

Station: Atlanta Hartsfield Intl Airport (USW00013874), NOAA 1991-2020 freeze probabilities. Frost dates for every city in Georgia.

Hottest and coldest readings, 1991-2020

The highest reading was 106°F (June 30, 2012); the lowest was 6°F (January 7, 2014, and 1 other day).

From the temperature station's daily records with NOAA quality flags removed. Not an all-time record.

Near Atlanta

Similar climates elsewhere

Also covers

South Fulton uses the same temperature and rain stations as Atlanta, so its monthly numbers are the ones on this page.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth, frost dates and humidity and wind by hour: Atlanta Hartsfield Intl Airport (USW00013874), 8.8 mi SSW of the city center, 1,010 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Hartsfield-Jackson Atlanta Intl Airport (722190-13874), 8.8 mi SSW of the city center, 1,011 ft . Hourly observations, 1991-2020.
  • Not available for this location: cloud cover (no station close enough or similar enough in elevation).

Distances from the city center (USGS). Methodology · Report an error