Austin TX Hottest Decades - Current Results

Ranked here are the hottest decades on record for Austin, Texas. The lists include decades when Austin had the highest average temperatures, the most hot days and the fewest cold days. These extremes are for temperatures observed at Camp Mabry and cover eight decades, from the 1940s to the 2010s.

That is when Austin 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 Austin
	High °F	Decade	High °C
Highest	81.3	2010s	27.4
Runner-up	80.4	2000s	26.9

Warmest Low Temperatures

Average daily minimum temperature at Austin
	Low °F	Decade	Low °C
Highest	59.8	2010s	15.4
Runner-up	59.3	2000s	15.1

Most Warm Days

Total days per year on average when Austin had temperatures of at least 70 °F (21 °C)
	Days	Decade
Highest	286	2010s
Runner-up	282	2000s

Most Hot Days

Total days per year on average when Austin had temperatures of at least 90 °F (32 °C)
	Days	Decade
Highest	131	2010s
Runner-up	124	2000s

Fewest Freezing Days

Total days per year on average when Austin had temperatures of 32 °F (0 °C) or lower
	Days	Decade
Lowest	10	1990s
Runner-up	13	2000s

How Much Hotter are 2010s?

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

20 more days each year with temperatures of 90 °F and higher
2.4 °F higher daily maximum temperatures (1.3 °C)
1.5 °F higher daily minimum temperatures (0.8 °C)
4 fewer days a year with freezing temperatures

Austin - Hottest Decades