Atlanta Temperatures: Averages by Month





The numbers here tell you how hot and cold the weather usually is in Atlanta, Georgia during each month of the year.

The average high and low temperatures are listed below monthly and annually for Atlanta, in both degrees Fahrenheit and Celsius.

Maximums and minimums are only part of the temperature picture. To fill in the rest, there's information on how many days a month get above or below a given temperature.

To find out how often it rises over 70, 80 or 90 °F each month in Atlanta, scroll down farther. There are also monthly and yearly counts of nights with warm temperatures and details on days with cold weather.

The first set of high and low temperatures are averages for 2010 to 2019. Everything else here is based on 1981 to 2010 weather.

10-year temperature averages for Atlanta, 2010 to 2019
High °F Low °F   High °C Low °C
53 35 January 12 1
59 40 February 15 4
66 46 March 19 8
75 54 April 24 12
82 63 May 28 17
88 70 June 31 21
90 72 July 32 22
89 72 August 32 22
86 67 September 30 20
76 56 October 24 13
64 44 November 18 7
58 41 December 14 5
74 55 Year 23 13
30-year temperature averages for Atlanta, 1981 to 2010
High °F Low °F   High °C Low °C
52 34 January 11 1
57 38 February 14 3
65 44 March 18 7
73 52 April 23 11
80 60 May 27 16
86 68 June 30 20
89 71 July 32 22
88 71 August 31 22
82 65 September 28 18
73 54 October 23 12
64 45 November 18 7
54 37 December 12 3
72 53 Year 22 12

Days of Hot Weather in Atlanta

The temperature in Atlanta doesn't normally reach into the 100s Fahrenheit. But highs in the 90s can happen from May to September.

Most summer days have maximum temperatures of over 80 degrees, while nighttime minimums stay above 70.

Days per month in Atlanta of at least 70, 80 or 90 °F
  70 °F
21 °C
80 °F
27 °C
90 °F
32 °C
January 1 0 0
February 3 0 0
March 11 1 0
April 19 7 0
May 29 17 1
June 30 26 9
July 31 30 13
August 31 29 11
September 29 20 2
October 21 5 0
November 8 0 0
December 2 0 0
Year 213 135 36
Average number of days monthly in Atlanta that stay above 50, 60 or 70 °F
  50 °F
10 °C
60 °F
16 °C
70 °F
21 °C
January 2 0 0
February 3 0 0
March 9 1 0
April 18 5 0
May 28 18 1
June 30 28 11
July 31 31 22
August 31 31 20
September 29 24 6
October 21 8 0
November 9 2 0
December 3 0 0
Year 213 148 61

How Often Atlanta Has Cold Temperatures

It can get cold in Atlanta, though that doesn't occur often. The city averages one night a year when the thermometer plummets to 10 °F or lower. Typically, another four winter nights see temperatures below 21 degrees.

But Atlanta's winter weather can be highly variable. It's not uncommon for a night in December or January to get no colder than 50 °F.

Overall, freezing temperatures happen during 36 nights a year on average, from November to March. Twice annually, the temperature in Atlanta doesn't make it above freezing all day.

References

Jay Lawrimore, Ron Ray, Scott Applequist, Bryant Korzeniewski, Matthew Menne. 2016. Global Summary of the Month and Year, Version 1.0. NOAA National Centers for Environmental Information.

NOAA National Centers for Environmental Information. 1981-2010 U.S. Climate Normals. (Data Access. FTP.)

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