Atlanta - Coldest Decades





The coldest decades on record are ranked here for Atlanta, Georgia. The lists include decades when Atlanta had the lowest average temperatures, the fewest hot days and the most cold days. These extremes are for temperatures observed at Atlanta's Hartsfield—Jackson International Airport and cover nine decades, from the 1930s to the 2010s.

That is when Atlanta had weather measurements that are consistent and complete enough to compare decades. Each decade comprises a standard 10-year range. For instance, the 1990s includes measurements from Jan 1, 1990 to Dec 31, 1999. An exception is the 2010s which so far includes data to the end of 2018. Links to the data behind these lists are in the References section on this page.

Coolest High Temperatures

Average daily maximum temperature at Atlanta
High °F Decade High °C
Lowest 70.0 1960s 21.1
Runner-up 71.1 1970s 21.7

Coldest Low Temperatures

Average daily minimum temperature at Atlanta
Low °F Decade Low °C
Lowest 50.1 1960s 10.0
Runner-up 50.9 1970s 10.5

Fewest Warm Days

Total days per year on average when Atlanta had temperatures of at least 70 °F (21 °C)
Days Decade
Lowest 207 1960s
Runner-up 212 1950s, 1930s

Fewest Hot Days

Total days per year on average when Atlanta had temperatures of at least 90 °F (32 °C)
Days Decade
Lowest 22 1960s
Runner-up 25 1970s

Most Freezing Days

Total days per year on average when Atlanta had temperatures of 32 °F (0 °C) or lower
Days Decade
Highest 62 1960s
Runner-up 58 1970s
References

Current Results. 2019. Atlanta GA Temperature Averages by Decade

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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