Houston TX 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. 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
62.7	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	109
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

Houston - Temperature Averages by Decade

High Temperature for Each Decade

Low Temperature for Each Decade

Hot Days per Decade

Cold Days per Decade

Reference

More on Temperatures in Houston