Houston, Texas, Average Temperature Rankings, November 2020 1991-2020 Degrees Fahrenheit 1 68.7 64.2 4.5 88 5 1976 1973 2019 2017 top-tenth 2 71.5 69.0 2.5 82 6 1976 2016 2019 2017 top-tenth 3 75.1 73.3 1.8 82 6 1976 2016 2019 2017 top-tenth 4 78.1 76.5 1.6 84 4 1976 2016 2019 2017 top-tenth 5 79.7 78.3 1.4 82 5 1976 2016 2019 2017 top-tenth 2005 6 80.4 79.3 1.1 81 6 1976 2016 2019 2017 top-tenth 7 80.1 79.1 1.0 81 6 1976 1998,2016 2019 2017 top-tenth 8 79.2 78.2 1.0 80 6 1976 2011 2019 2017 top-tenth 9 78.4 76.8 1.6 83 3 1976 2011 2019 2017 top-tenth 2017 10 76.4 75.1 1.3 81 4 1940 2017 2019 2017 top-tenth 11 74.9 73.3 1.6 82 2 1940 2017 2019 2017 top-tenth 2016 12 73.6 72.0 1.6 81 3 1940,1979 2017 2019 2017 top-tenth 18 75.6 74.4 1.2 78 4 1940 2017 2019 2017 top-tenth 1999 24 72.9 72.0 0.9 75 4 1979 2017 2019 2018 top-tenth 2000,2016 36 72.5 72.0 0.5 67 8 1979,1980 2017,2018 2016 2019 top-third 48 73.1 72.0 1.1 69 2 1979 2019 2018 2019 top-tenth 2018 60 73.3 72.0 1.3 67 1 1979,1980 2020 2019 2020 highest