Wyoming, Average Temperature Rankings, September 1934 1901-2000 Degrees Fahrenheit 1 50.1 53.6 -3.5 10 119 1965 1998 1929 1933 bottom-tenth 1970 2 57.5 58.5 -1.0 29 100 1912 2022 1928 1933 bottom-third 1917,1920,2004 3 61.0 60.7 0.3 63 66 1912 2022 1929 1933 normal 1946,1980,1982 4 60.5 60.0 0.5 74 55 1912,1915 2021 1932 1933 normal 1921,1939,1955 5 59.8 57.7 2.1 113 16 1915 2012 1933 1919 top-third 6 57.0 54.5 2.5 119 10 1912 2012 1933 1934 top-tenth 2000 7 53.8 50.9 2.9 123 6 1912 2012 1933 1934 top-tenth 2015 8 50.7 47.3 3.4 126 3 1912 2012 1933 1934 top-tenth 9 48.0 44.1 3.9 127 2 1917 2012 1933 1934 top-tenth 10 46.0 41.8 4.2 127 1 1917 1934,2012 1933 1934 highest 2012 11 44.9 40.6 4.3 127 1 1917 1934 1933 1934 highest 12 45.0 40.8 4.2 127 1 1917 1934 1933 1934 highest 18 48.4 45.3 3.1 127 1 1917 1934 1933 1934 highest 24 42.4 40.8 1.6 109 18 1913,1917 2016 1933 1934 top-third 1940,1988,2004,2021 36 41.5 40.7 0.8 87 39 1917 2017 1933 1934 top-third 1956 48 41.5 40.7 0.8 87 38 1899 2018 1933 1934 top-third 1984,1998 60 41.3 40.7 0.6 80 44 1917 2016 1933 1934 normal 1944,1956,1958,1981