Atlanta GA Hottest Decades - Current Results

Ranked here are the hottest decades on record for Atlanta, Georgia. The lists include decades when Atlanta had the highest average temperatures, the most hot days and the fewest 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. Links to the data behind these lists are in the References section on this page.

Hottest High Temperatures

Average daily maximum temperature at Atlanta
	High °F	Decade	High °C
Highest	73.7	2010s	23.2
Runner-up	72.7	1990s	22.6

Warmest Low Temperatures

Average daily minimum temperature at Atlanta
	Low °F	Decade	Low °C
Highest	54.8	2010s	12.7
Runner-up	53.6	1990s	12.0

Most Warm Days

Total days per year on average when Atlanta had temperatures of at least 70 °F (21 °C)
	Days	Decade
Highest	229	2010s
Runner-up	221	1990s

Most Hot Days

Total days per year on average when Atlanta had temperatures of at least 90 °F (32 °C)
	Days	Decade
Highest	61	2010s
Runner-up	54	1930s

Fewest Freezing Days

Total days per year on average when Atlanta had temperatures of 32 °F (0 °C) or lower
	Days	Decade
Lowest	33	2010s, 1990s
Runner-up	39	1950s, 1930s

How Much Hotter are 2010s?

Compared with averages for the previous 50 years (1960 to 2009), the 2010s in Atlanta had:

25 more days each year with temperatures of 90 °F and higher
2.2 °F higher daily maximum temperatures (1.2 °C)
2.8 °F higher daily minimum temperatures (1.6 °C)
14 fewer days a year with freezing temperatures

Atlanta - Hottest Decades