Atlanta - Temperature Averages by Decade





Summarized here are the temperatures extending over nine decades at Atlanta, Georgia. Listed for every decade from the 1930s to the 2010s are averages for maximum and minimum daily temperatures in degrees Fahrenheit and Celsius. That's followed with information on the number of hot and cold days.

Each decade covers a standard 10-year range. For instance the 1990s includes weather measurements from Jan 1, 1990 to Dec 31, 1999. All the temperature data were collected at Atlanta's Hartsfield—Jackson International Airport.

High Temperature for Each Decade

Average daily maximum temperature at Atlanta
High °F Decade High °C
73.7 2010s 23.2
72.0 2000s 22.2
72.7 1990s 22.6
72.0 1980s 22.2
71.1 1970s 21.7
70.0 1960s 21.1
72.2 1950s 22.3
71.9 1940s 22.1
71.7 1930s 22.1

Low Temperature for Each Decade

Average daily minimum temperature at Atlanta
Low °F Decade Low °C
54.8 2010s 12.7
53.3 2000s 11.8
53.6 1990s 12.0
52.4 1980s 11.4
50.9 1970s 10.5
50.1 1960s 10.0
52.6 1950s 11.4
52.1 1940s 11.1
52.8 1930s 11.5

Hot Days per Decade

Total days per year on average when the temperature in Atlanta reached at least 70 or 90 °F
Decade 70 °F
21 °C
90 °F
32 °C
2010s 229 61
2000s 217 34
1990s 221 47
1980s 217 50
1970s 218 25
1960s 207 22
1950s 212 51
1940s 215 53
1930s 212 54

Cold Days per Decade

Total days per year on average when the temperature in Atlanta dropped to 0 or 32 °F or lower
Decade 0 °F
-18 °C
32 °F
0 °C
2010s 0 33
2000s 0 41
1990s 0 33
1980s 1 45
1970s 0 58
1960s 0 62
1950s 0 39
1940s 0 43
1930s 0 39
Reference

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

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