Contiguous U.S., Average Temperature Rankings, August 2020 1901-2000 Degrees Fahrenheit 1 74.71 72.10 2.61 126 3 1927 1983 2019 2011 top-tenth 2 75.18 72.86 2.32 124 5 1992 1936 2019 2012 top-tenth 3 73.55 71.40 2.15 123 6 1915 1936,2021 2019 2012 top-tenth 4 70.39 68.60 1.79 121 8 1907 2018 2019 2018 top-tenth 2007 5 66.49 65.09 1.40 118 11 1907 2012 2019 2018 top-tenth 2017 6 63.09 61.16 1.93 119 10 1917 2012 2019 2017 top-tenth 7 59.24 57.25 1.99 122 7 1917 2012 2019 2017 top-tenth 8 56.28 53.86 2.42 122 7 1912 2012 2019 2017 top-tenth 9 54.08 51.52 2.56 122 6 1917 2012 2019 2016 top-tenth 10 52.78 50.54 2.24 121 7 1912 2012 2019 2017 top-tenth 11 52.71 50.86 1.85 117 11 1912 2012 2019 2018 top-tenth 12 54.02 52.03 1.99 120 8 1917 2012 2019 2017 top-tenth 18 56.55 55.07 1.48 114 14 1917 2017 2019 2018 top-third 24 53.30 52.02 1.28 111 16 1918 2017 2019 2018 top-third 36 53.50 52.00 1.50 111 15 1917 2018 2015 2019 top-third 48 53.85 51.99 1.86 121 4 1920 2018 2016 2019 top-tenth 60 54.12 51.98 2.14 123 1 1920 2020 2019 2020 highest