Houston - Temperature Averages by Decade





Summarized here are the temperatures extending over seven decades at Houston, Texas. Listed for every decade from the 1950s 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. Measurements are missing for the year 1990. The 2010s data go to the end of 2018. All the temperature data were collected at the William P. Hobby Airport near downtown Houston.

High Temperature for Each Decade

Average daily maximum temperature at Houston
High °F Decade High °C
80.3 2010s 26.8
79.6 2000s 26.4
79.1 1990s 26.2
78.1 1980s 25.6
78.7 1970s 25.9
79.0 1960s 26.1
79.0 1950s 26.1

Low Temperature for Each Decade

Average daily minimum temperature at Houston
Low °F Decade Low °C
62.6 2010s 17.0
62.0 2000s 16.7
61.8 1990s 16.5
60.6 1980s 15.9
59.7 1970s 15.4
59.8 1960s 15.4
60.1 1950s 15.6

Hot Days per Decade

Total days per year on average when the temperature in Houston reached at least 70 or 90 °F
Decade 70 °F
21 °C
90 °F
32 °C
2010s 292 106
2000s 291 97
1990s 284 93
1980s 281 85
1970s 285 92
1960s 281 97
1950s 284 93

Cold Days per Decade

Total days per year on average when the temperature in Houston dropped to 32 °F or lower
Decade 32 °F
0 °C
2010s 6
2000s 3
1990s 4
1980s 10
1970s 13
1960s 12
1950s 8
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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