Wyoming, Average Temperature Rankings, July 1981 1901-2000 Degrees Fahrenheit 1 65.9 65.3 0.6 71 58 1993 2007 1979 1980 normal 1921 2 62.3 61.5 0.8 83 46 1915 2021 1979 1980 normal 1987 3 57.4 57.1 0.3 65 64 1915 1936 1979 1980 normal 1949 4 54.1 52.5 1.6 101 28 1950 1988 1980 1977 top-third 1992 5 50.1 47.9 2.2 107 22 1917 2012 1980 1940 top-third 6 46.1 43.6 2.5 116 13 1899,1917 1934 1980 1940 top-tenth 1925 7 43.5 40.0 3.5 121 8 1917 1934 1980 1934 top-tenth 8 41.8 37.6 4.2 125 3 1917 1934 1980 1934 top-tenth 9 40.6 36.6 4.0 125 3 1917 1934 1980 1934 top-tenth 10 40.8 37.2 3.6 124 4 1917 1934 1980 1934 top-tenth 11 42.1 38.7 3.4 123 5 1917 1934 1980 1934 top-tenth 12 43.7 40.8 2.9 123 5 1917 1934 1980 1934 top-tenth 2015 18 44.0 41.7 2.3 119 9 1917 2016 1980 1935 top-tenth 1935 24 42.6 40.7 1.9 112 15 1913,1917 2016 1980 1941 top-third 36 41.2 40.7 0.5 80 46 1917 2017 1980 1978 normal 1902,1960,2011 48 41.1 40.7 0.4 74 51 1899 2018 1980 1966 normal 1959,1966,1982 60 41.2 40.7 0.5 76 48 1917 2016 1980 1963 normal 1956,1963,1985,1988