Every May in Knoxville, TN from 1871 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.
| Year | Mean, °F | Rank | High, °F | Rank | Low, °F | Rank | Precipitation, in | Rank | Days missing |
|---|
| 2026 | 68.7 | 46 | 79.1 | 61 | 58.4 | 44 | 4.67 | 46 | 0 |
|---|
| 2025 | 67 | 85 | 75.3 | 129 | 58.7 | 35 | 7.63 | 8 | 0 |
|---|
| 2024 | 70 | 29 | 79.5 | 54 | 60.6 | 11 | 8.52 | 4 | 0 |
|---|
| 2023 | 67.1 | 84 | 77.3 | 90 | 56.9 | 71 | 1.32 | 144 | 0 |
|---|
| 2022 | 70.9 | 16 | 81.2 | 30 | 60.5 | 13 | 4.77 | 41 | 0 |
|---|
| 2021 | 65.9 | 110 | 76.9 | 99 | 55 | 109 | 3.62 | 82 | 0 |
|---|
| 2020 | 64.8 | 128 | 75.2 | 130 | 54.4 | 120 | 3.22 | 101 | 0 |
|---|
| 2019 | 72.3 | 5 | 82.8 | 10 | 61.8 | 4 | 5.70 | 24 | 0 |
|---|
| 2018 | 73.7 | 2 | 84.3 | 3 | 63.1 | 1 | 4.19 | 64 | 0 |
|---|
| 2017 | 68 | 66 | 77.8 | 84 | 58.3 | 47 | 4.85 | 38 | 0 |
|---|
| 2016 | 67.5 | 75 | 78 | 80 | 57 | 69 | 4.06 | 70 | 0 |
|---|
| 2015 | 70.5 | 22 | 82.3 | 16 | 58.8 | 34 | 1.76 | 134 | 0 |
|---|
| 2014 | 68.4 | 54 | 80.1 | 43 | 56.7 | 77 | 1.22 | 149 | 0 |
|---|
| 2013 | 66.4 | 96 | 77.3 | 90 | 55.6 | 100 | 3.52 | 90 | 0 |
|---|
| 2012 | 71.9 | 8 | 82.4 | 15 | 61.4 | 6 | 3.61 | 83 | 0 |
|---|
| 2011 | 68 | 66 | 79 | 62 | 57.1 | 65 | 1.64 | 136 | 0 |
|---|
| 2010 | 70.8 | 17 | 81.6 | 23 | 59.9 | 17 | 4.22 | 62 | 0 |
|---|
| 2009 | 67.5 | 75 | 77.1 | 94 | 57.9 | 51 | 8.10 | 5 | 0 |
|---|
| 2008 | 66.4 | 96 | 77.2 | 92 | 55.6 | 100 | 3.39 | 95 | 0 |
|---|
| 2007 | 70 | 29 | 82.5 | 13 | 57.5 | 59 | 1.48 | 142 | 0 |
|---|
| 2006 | 65.5 | 116 | 76 | 115 | 55 | 109 | 2.13 | 129 | 0 |
|---|
| 2005 | 64.1 | 132 | 75.5 | 125 | 52.6 | 144 | 3.18 | 103 | 0 |
|---|
| 2004 | 70.8 | 17 | 81.7 | 22 | 59.9 | 17 | 5.35 | 30 | 0 |
|---|
| 2003 | 67.4 | 78 | 76.4 | 109 | 58.5 | 40 | 8.09 | 6 | 0 |
|---|
| 2002 | 65.2 | 121 | 76.4 | 109 | 54.1 | 124 | 4.66 | 47 | 0 |
|---|
| 2001 | 68.4 | 54 | 78.9 | 65 | 57.8 | 53 | 3.46 | 92 | 0 |
|---|
| 2000 | 69.9 | 32 | 80 | 47 | 59.8 | 20 | 5.90 | 22 | 0 |
|---|
| 1999 | 66.2 | 101 | 78 | 80 | 54.4 | 120 | 4.92 | 35 | 0 |
|---|
| 1998 | 70.6 | 20 | 80.6 | 37 | 60.7 | 9 | 3.84 | 75 | 0 |
|---|
| 1997 | 62.2 | 153 | 73.5 | 149 | 50.9 | 152 | 6.76 | 14 | 0 |
|---|
| 1996 | 69.4 | 39 | 79.7 | 49 | 59 | 31 | 4.57 | 49 | 0 |
|---|
| 1995 | 67.3 | 80 | 78.2 | 73 | 56.4 | 85 | 7.05 | 12 | 0 |
|---|
| 1994 | 63.9 | 139 | 75.6 | 123 | 52.2 | 148 | 3.04 | 107 | 0 |
|---|
| 1993 | 66.9 | 87 | 78.1 | 76 | 55.8 | 98 | 3.78 | 79 | 0 |
|---|
| 1992 | 64 | 136 | 74.4 | 139 | 53.6 | 131 | 3.20 | 102 | 0 |
|---|
| 1991 | 72 | 7 | 82.5 | 13 | 61.5 | 5 | 3.10 | 105 | 0 |
|---|
| 1990 | 65.9 | 110 | 76.7 | 103 | 55 | 109 | 4.71 | 43 | 0 |
|---|
| 1989 | 62.4 | 152 | 73.9 | 147 | 50.8 | 153 | 5.31 | 31 | 0 |
|---|
| 1988 | 65 | 125 | 79.7 | 49 | 50.3 | 155 | 2.35 | 123 | 0 |
|---|
| 1987 | 71.3 | 13 | 83.6 | 7 | 58.9 | 33 | 4.62 | 48 | 0 |
|---|
| 1986 | 68.1 | 61 | 80.2 | 40 | 56 | 91 | 2.40 | 120 | 0 |
|---|
| 1985 | 65.7 | 115 | 77 | 97 | 54.4 | 120 | 1.60 | 138 | 0 |
|---|
| 1984 | 62.8 | 150 | 75.2 | 130 | 50.3 | 155 | 10.14 | 2 | 0 |
|---|
| 1983 | 65.4 | 118 | 76.6 | 105 | 54.1 | 124 | 5.42 | 28 | 0 |
|---|
| 1982 | 69.3 | 41 | 81.4 | 27 | 57.1 | 65 | 5.52 | 27 | 0 |
|---|
| 1981 | 63.8 | 143 | 74.2 | 142 | 53.5 | 134 | 3.02 | 109 | 0 |
|---|
| 1980 | 68.1 | 61 | 78.6 | 70 | 57.6 | 56 | 3.80 | 77 | 0 |
|---|
| 1979 | 66.9 | 87 | 77.1 | 94 | 56.7 | 77 | 7.21 | 10 | 0 |
|---|
| 1978 | 66.5 | 94 | 76 | 115 | 57.1 | 65 | 3.44 | 93 | 0 |
|---|
| 1977 | 69.8 | 34 | 81 | 34 | 58.5 | 40 | 1.16 | 150 | 0 |
|---|
| 1976 | 63.4 | 147 | 74.4 | 139 | 52.3 | 146 | 5.53 | 26 | 0 |
|---|
| 1975 | 70 | 29 | 80 | 47 | 60.1 | 15 | 2.98 | 111 | 0 |
|---|
| 1974 | 68.1 | 61 | 77.5 | 89 | 58.6 | 37 | 10.98 | 1 | 0 |
|---|
| 1973 | 63.5 | 145 | 74.2 | 142 | 52.8 | 142 | 5.71 | 23 | 0 |
|---|
| 1972 | 64.9 | 127 | 74.2 | 142 | 55.6 | 100 | 4.49 | 55 | 0 |
|---|
| 1971 | 63.9 | 139 | 74.1 | 146 | 53.7 | 129 | 3.78 | 79 | 0 |
|---|
| 1970 | 68.6 | 50 | 80.1 | 43 | 57.1 | 65 | 0.74 | 155 | 0 |
|---|
| 1969 | 67.3 | 80 | 79 | 62 | 55.5 | 104 | 1.33 | 143 | 0 |
|---|
| 1968 | 65.2 | 121 | 75.5 | 125 | 55 | 109 | 3.01 | 110 | 0 |
|---|
| 1967 | 63.5 | 145 | 73.5 | 149 | 53.5 | 134 | 4.10 | 68 | 0 |
|---|
| 1966 | 66.1 | 105 | 76.1 | 114 | 56.1 | 88 | 2.92 | 112 | 0 |
|---|
| 1965 | 72.3 | 5 | 83.9 | 6 | 60.7 | 9 | 3.13 | 104 | 0 |
|---|
| 1964 | 66.9 | 87 | 78.7 | 69 | 55.1 | 108 | 3.96 | 73 | 0 |
|---|
| 1963 | 65.9 | 110 | 76.8 | 101 | 54.9 | 115 | 4.51 | 52 | 0 |
|---|
| 1962 | 74 | 1 | 87.4 | 1 | 60.6 | 11 | 1.88 | 132 | 0 |
|---|
| 1961 | 62 | 155 | 72.7 | 155 | 51.4 | 150 | 4.18 | 65 | 0 |
|---|
| 1960 | 65.9 | 110 | 77.1 | 94 | 54.6 | 116 | 1.12 | 152 | 0 |
|---|
| 1959 | 71.5 | 11 | 81.8 | 21 | 61.1 | 8 | 3.53 | 88 | 0 |
|---|
| 1958 | 68.2 | 58 | 78.6 | 70 | 57.8 | 53 | 4.78 | 40 | 0 |
|---|
| 1957 | 69.9 | 32 | 81.2 | 30 | 58.5 | 40 | 3.53 | 88 | 0 |
|---|
| 1956 | 69.8 | 34 | 80.6 | 37 | 59.1 | 28 | 3.27 | 99 | 0 |
|---|
| 1955 | 70.4 | 25 | 81.5 | 26 | 59.2 | 27 | 3.51 | 91 | 0 |
|---|
| 1954 | 62.2 | 153 | 73.1 | 151 | 51.4 | 150 | 3.55 | 86 | 0 |
|---|
| 1953 | 71.5 | 11 | 81.9 | 20 | 61.2 | 7 | 4.50 | 54 | 0 |
|---|
| 1952 | 68.5 | 52 | 79.7 | 49 | 57.2 | 63 | 3.32 | 96 | 0 |
|---|
| 1951 | 67 | 85 | 80.1 | 43 | 53.8 | 127 | 1.29 | 145 | 0 |
|---|
| 1950 | 70.5 | 22 | 81.3 | 29 | 59.7 | 21 | 5.42 | 28 | 0 |
|---|
| 1949 | 68.8 | 45 | 80.9 | 36 | 56.7 | 77 | 2.57 | 117 | 0 |
|---|
| 1948 | 67.3 | 80 | 78.9 | 65 | 55.8 | 98 | 3.27 | 99 | 0 |
|---|
| 1947 | 65.4 | 118 | 77.7 | 87 | 53.2 | 140 | 3.30 | 98 | 0 |
|---|
| 1946 | 66.5 | 94 | 76.9 | 99 | 56.1 | 88 | 6.40 | 16 | 0 |
|---|
| 1945 | 64.1 | 132 | 74.9 | 132 | 53.3 | 139 | 4.73 | 42 | 0 |
|---|
| 1944 | 71.8 | 10 | 84.2 | 4 | 59.3 | 25 | 1.54 | 141 | 0 |
|---|
| 1943 | 69.7 | 37 | 81.1 | 32 | 58.4 | 44 | 2.88 | 114 | 0 |
|---|
| 1942 | 67.8 | 70 | 79.6 | 52 | 56 | 91 | 5.20 | 33 | 0 |
|---|
| 1941 | 70.5 | 22 | 83.4 | 8 | 57.6 | 56 | 0.71 | 156 | 0 |
|---|
| 1940 | 65.4 | 118 | 77.2 | 92 | 53.6 | 131 | 5.13 | 34 | 0 |
|---|
| 1939 | 68.6 | 50 | 79.6 | 52 | 57.6 | 56 | 1.03 | 153 | 0 |
|---|
| 1938 | 68.3 | 57 | 78.1 | 76 | 58.4 | 44 | 8.81 | 3 | 0 |
|---|
| 1937 | 67.9 | 68 | 79.3 | 59 | 56.6 | 81 | 4.38 | 60 | 0 |
|---|
| 1936 | 71.9 | 8 | 84.4 | 2 | 59.5 | 22 | 0.76 | 154 | 0 |
|---|
| 1935 | 67.8 | 70 | 78.1 | 76 | 57.5 | 59 | 4.42 | 58 | 0 |
|---|
| 1934 | 69.3 | 41 | 81.1 | 32 | 57.4 | 61 | 4.41 | 59 | 0 |
|---|
| 1933 | 72.5 | 4 | 83 | 9 | 61.9 | 3 | 4.45 | 57 | 0 |
|---|
| 1932 | 67.6 | 73 | 78.3 | 72 | 57 | 69 | 1.59 | 140 | 0 |
|---|
| 1931 | 66 | 107 | 76.7 | 103 | 55.3 | 107 | 3.71 | 81 | 0 |
|---|
| 1930 | 68.5 | 52 | 78.8 | 68 | 58.2 | 49 | 4.21 | 63 | 0 |
|---|
| 1929 | 66.1 | 105 | 75.4 | 127 | 56.8 | 73 | 7.66 | 7 | 0 |
|---|
| 1928 | 65.1 | 124 | 75.8 | 119 | 54.5 | 117 | 6.17 | 19 | 0 |
|---|
| 1927 | 68.7 | 46 | 79.4 | 58 | 58.1 | 50 | 2.92 | 112 | 0 |
|---|
| 1926 | 67.6 | 73 | 79.3 | 59 | 55.9 | 95 | 3.03 | 108 | 0 |
|---|
| 1925 | 64 | 136 | 74.5 | 136 | 53.6 | 131 | 2.40 | 120 | 0 |
|---|
| 1924 | 62.6 | 151 | 72.8 | 153 | 52.3 | 146 | 4.06 | 70 | 0 |
|---|
| 1923 | 65.2 | 121 | 74.9 | 132 | 55.5 | 104 | 4.53 | 50 | 0 |
|---|
| 1922 | 68.2 | 58 | 78.2 | 73 | 58.3 | 47 | 3.82 | 76 | 0 |
|---|
| 1921 | 66.2 | 101 | 76.3 | 111 | 56.1 | 88 | 1.85 | 133 | 0 |
|---|
| 1920 | 66 | 107 | 75.8 | 119 | 56.3 | 86 | 2.31 | 126 | 0 |
|---|
| 1919 | 66.7 | 91 | 76.2 | 113 | 57.2 | 63 | 4.11 | 67 | 0 |
|---|
| 1918 | 70.3 | 27 | 81.4 | 27 | 59.1 | 28 | 4.51 | 52 | 0 |
|---|
| 1917 | 60.9 | 156 | 71.3 | 156 | 50.5 | 154 | 2.52 | 118 | 0 |
|---|
| 1916 | 69.8 | 34 | 81.6 | 23 | 57.9 | 51 | 4.71 | 43 | 0 |
|---|
| 1915 | 69.1 | 43 | 79.5 | 54 | 58.6 | 37 | 3.59 | 84 | 0 |
|---|
| 1914 | 68.1 | 61 | 80.2 | 40 | 56 | 91 | 1.25 | 146 | 0 |
|---|
| 1913 | 67.9 | 68 | 78.9 | 65 | 56.8 | 73 | 4.86 | 37 | 0 |
|---|
| 1912 | 67.5 | 75 | 78.2 | 73 | 56.8 | 73 | 5.94 | 21 | 0 |
|---|
| 1911 | 70.4 | 25 | 82.3 | 16 | 58.5 | 40 | 1.23 | 147 | 0 |
|---|
| 1910 | 63.1 | 148 | 72.8 | 153 | 53.4 | 136 | 7.28 | 9 | 0 |
|---|
| 1909 | 65.9 | 110 | 75.9 | 118 | 55.9 | 95 | 4.14 | 66 | 0 |
|---|
| 1908 | 68.2 | 58 | 77.8 | 84 | 58.7 | 35 | 2.15 | 128 | 0 |
|---|
| 1907 | 64.1 | 132 | 74.3 | 141 | 54 | 126 | 3.54 | 87 | 0 |
|---|
| 1906 | 66.6 | 93 | 77.6 | 88 | 55.6 | 100 | 4.69 | 45 | 0 |
|---|
| 1905 | 69.4 | 39 | 79.5 | 54 | 59.4 | 24 | 3.80 | 77 | 0 |
|---|
| 1904 | 66.2 | 101 | 78 | 80 | 54.3 | 123 | 2.34 | 125 | 0 |
|---|
| 1903 | 69 | 44 | 80.3 | 39 | 57.7 | 55 | 3.09 | 106 | 0 |
|---|
| 1902 | 71.2 | 14 | 82.6 | 11 | 59.9 | 17 | 2.09 | 130 | 0 |
|---|
| 1901 | 65.5 | 116 | 76.6 | 105 | 54.5 | 117 | 4.03 | 72 | 0 |
|---|
| 1900 | 67.8 | 70 | 80.2 | 40 | 55.5 | 104 | 1.72 | 135 | 0 |
|---|
| 1899 | 70.6 | 20 | 81 | 34 | 60.1 | 15 | 3.58 | 85 | 0 |
|---|
| 1898 | 69.5 | 38 | 82.1 | 19 | 56.9 | 71 | 1.60 | 138 | 0 |
|---|
| 1897 | 63.1 | 148 | 73.8 | 148 | 52.5 | 145 | 6.11 | 20 | 0 |
|---|
| 1896 | 73.2 | 3 | 84.1 | 5 | 62.2 | 2 | 5.31 | 31 | 0 |
|---|
| 1895 | 64.1 | 132 | 74.5 | 136 | 53.7 | 129 | 5.63 | 25 | 0 |
|---|
| 1894 | 66.2 | 101 | 75.7 | 122 | 56.6 | 81 | 3.85 | 74 | 0 |
|---|
| 1893 | 64.5 | 130 | 74.6 | 135 | 54.5 | 117 | 6.71 | 15 | 0 |
|---|
| 1892 | 66.3 | 100 | 76.5 | 108 | 56 | 91 | 2.81 | 116 | 0 |
|---|
| 1891 | 63.9 | 139 | 74.5 | 136 | 53.4 | 136 | 1.91 | 131 | 0 |
|---|
| 1890 | 66.4 | 96 | 76.6 | 105 | 56.2 | 87 | 4.34 | 61 | 0 |
|---|
| 1889 | 64.5 | 130 | 76.3 | 111 | 52.7 | 143 | 4.08 | 69 | 0 |
|---|
| 1888 | 66 | 107 | 75.4 | 127 | 56.6 | 81 | 6.30 | 17 | 0 |
|---|
| 1887 | 70.3 | 27 | 81.6 | 23 | 59 | 31 | 4.79 | 39 | 0 |
|---|
| 1886 | 66.7 | 91 | 76.8 | 101 | 56.6 | 81 | 4.92 | 35 | 0 |
|---|
| 1885 | 65 | 125 | 74.9 | 132 | 55 | 109 | 7.19 | 11 | 0 |
|---|
| 1884 | 67.4 | 78 | 77.9 | 83 | 56.8 | 73 | 2.19 | 127 | 0 |
|---|
| 1883 | 64.6 | 129 | 75.8 | 119 | 53.4 | 136 | 3.31 | 97 | 0 |
|---|
| 1882 | 63.7 | 144 | 74.2 | 142 | 53.2 | 140 | 6.77 | 13 | 0 |
|---|
| 1881 | 70.8 | 17 | 82.2 | 18 | 59.5 | 22 | 1.14 | 151 | 1 |
|---|
| 1880 | 71 | 15 | 82.6 | 11 | 59.3 | 25 | 2.50 | 119 | 0 |
|---|
| 1879 | 68.7 | 46 | 80.1 | 43 | 57.3 | 62 | 3.43 | 94 | 0 |
|---|
| 1878 | 64 | 136 | 73 | 152 | 55 | 109 | 2.38 | 122 | 0 |
|---|
| 1877 | 63.9 | 139 | 76 | 115 | 51.9 | 149 | 1.64 | 136 | 0 |
|---|
| 1876 | 66.9 | 87 | 77.8 | 84 | 55.9 | 95 | 6.25 | 18 | 0 |
|---|
| 1875 | 66.4 | 96 | 79 | 62 | 53.8 | 127 | 1.23 | 147 | 0 |
|---|
| 1874 | 68.1 | 61 | 79.5 | 54 | 56.7 | 77 | 2.35 | 123 | 0 |
|---|
| 1873 | 68.7 | 46 | 77 | 97 | 60.3 | 14 | 4.46 | 56 | 0 |
|---|
| 1872 | 68.4 | 54 | 78.1 | 76 | 58.6 | 37 | 2.86 | 115 | 0 |
|---|
| 1871 | 67.3 | 80 | 75.6 | 123 | 59.1 | 28 | 4.53 | 50 | 0 |
|---|