Contiguous U.S., Minimum Temperature Rankings, October 2017 1901-2000 Degrees Fahrenheit 1 42.93 41.41 1.52 103 26 1917 1947 2013 2016 top-third 1940 2 48.35 46.66 1.69 114 15 1917 2015 2013 2016 top-third 3 52.15 50.79 1.36 109 20 1917 2016 2012 2016 top-third 4 54.83 53.23 1.60 114 15 1976 2021 2013 2016 top-third 5 55.35 53.71 1.64 117 12 1917 2021 2013 2016 top-tenth 6 54.10 52.66 1.44 116 13 1917 2018 2011 2016 top-tenth 7 52.33 50.65 1.68 121 8 1917 2015 2014 2016 top-tenth 8 50.10 48.07 2.03 122 7 1917 2016 2014 2016 top-tenth 9 47.89 45.27 2.62 126 3 1917 2016 2015 2016 top-tenth 10 45.53 42.71 2.82 126 3 1917 2016 2015 2016 top-tenth 11 43.51 40.89 2.62 124 4 1917 2016 2015 2016 top-tenth 12 42.91 40.04 2.87 126 2 1917 2016 2015 2016 top-tenth 18 46.99 44.25 2.74 126 2 1917 2016 2015 2016 top-tenth 24 43.17 40.04 3.13 126 1 1917,1918 2017 2016 2017 highest 36 42.83 40.02 2.81 125 1 1918 2017 2016 2017 highest 48 42.20 40.01 2.19 122 3 1918 2018 2016 2017 top-tenth 60 42.01 40.00 2.01 119 5 1920 2020 2016 2017 top-tenth