Austin - Coldest Decades





The coldest decades on record are ranked here for Austin, Texas. The lists include decades when Austin had the lowest average temperatures, the fewest hot days and the most 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.

Coolest High Temperatures

Average daily maximum temperature at Austin
High °F Decade High °C
Lowest 77.8 1970s 25.4
Runner-up 78.2 1940s 25.6

Coldest Low Temperatures

Average daily minimum temperature at Austin
Low °F Decade Low °C
Lowest 56.8 1940s 13.8
Runner-up 57.3 1970s 14.1

Fewest Warm Days

Total days per year on average when Austin had temperatures of at least 70 °F (21 °C)
Days Decade
Lowest 267 1940s
Runner-up 269 1960s

Fewest Hot Days

Total days per year on average when Austin had temperatures of at least 90 °F (32 °C)
Days Decade
Lowest 99 1970s
Runner-up 104 1940s

Most Freezing Days

Total days per year on average when Austin had temperatures of 32 °F (0 °C) or lower
Days Decade
Highest 24 1970s
Runner-up 23 1960s
References

Current Results. 2020. Austin TX 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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