Every August in Jefferson City, MO from 1895 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 | 77.8 | 40 | 87.7 | 76 | 67.8 | 22 | 3.55 | 51 | 0 |
|---|
| 2025 | 75.5 | 87 | 86.5 | 95 | 64.5 | 62 | 0.03 | 128 | 0 |
|---|
| 2024 | 77.1 | 54 | 86.6 | 93 | 67.5 | 24 | 2.91 | 75 | 0 |
|---|
| 2023 | 78.4 | 33 | 87.6 | 80 | 69.3 | 7 | 7.29 | 8 | 0 |
|---|
| 2022 | 78.5 | 30 | 88.8 | 63 | 68.2 | 17 | 3.55 | 51 | 0 |
|---|
| 2021 | 79.7 | 15 | 90 | 44 | 69.5 | 5 | 1.31 | 113 | 0 |
|---|
| 2020 | 75.8 | 81 | 85.9 | 105 | 65.6 | 50 | 2.73 | 76 | 0 |
|---|
| 2019 | 77.6 | 42 | 86.3 | 99 | 68.9 | 11 | 6.09 | 16 | 0 |
|---|
| 2018 | 78.4 | 33 | 88.7 | 67 | 68.1 | 20 | 4.20 | 40 | 0 |
|---|
| 2017 | 72.9 | 116 | 82.8 | 123 | 62.9 | 91 | 5.66 | 23 | 0 |
|---|
| 2016 | 77.2 | 52 | 85.5 | 111 | 68.8 | 13 | 6.40 | 13 | 0 |
|---|
| 2015 | 74.5 | 102 | 85.2 | 114 | 63.8 | 77 | 3.43 | 57 | 0 |
|---|
| 2014 | 77.9 | 39 | 88.5 | 70 | 67.3 | 28 | 1.76 | 105 | 0 |
|---|
| 2013 | 75.7 | 86 | 86 | 103 | 65.4 | 52 | 1.95 | 100 | 0 |
|---|
| 2012 | 77.4 | 48 | 90.6 | 34 | 64.2 | 67 | 2.50 | 83 | 0 |
|---|
| 2011 | 79.1 | 24 | 89 | 62 | 69.1 | 8 | 2.92 | 73 | 0 |
|---|
| 2010 | 80.1 | 12 | 90.5 | 36 | 69.7 | 4 | 3.77 | 46 | 0 |
|---|
| 2009 | 73.3 | 115 | 83.3 | 122 | 63.2 | 84 | 2.33 | 90 | 0 |
|---|
| 2008 | 75.3 | 89 | 85.2 | 114 | 65.4 | 52 | 1.88 | 102 | 0 |
|---|
| 2007 | 82.3 | 5 | 93.8 | 12 | 70.8 | 3 | 0.72 | 123 | 0 |
|---|
| 2006 | 79.5 | 20 | 90.4 | 39 | 68.7 | 14 | 3.46 | 56 | 0 |
|---|
| 2005 | 78.9 | 28 | 88.7 | 67 | 69 | 10 | 8.21 | 7 | 1 |
|---|
| 2004 | 71.1 | 120 | 80.9 | 126 | 61.3 | 109 | 8.50 | 4 | 0 |
|---|
| 2003 | 79.1 | 24 | 90.6 | 34 | 67.6 | 23 | 3.22 | 61 | 0 |
|---|
| 2002 | 77.6 | 42 | 87.6 | 80 | 67.4 | 26 | 4.89 | 31 | 1 |
|---|
| 2001 | 77.1 | 54 | 87.7 | 76 | 66.4 | 41 | 2.07 | 97 | 1 |
|---|
| 2000 | 79.6 | 17 | 90.1 | 42 | 69.1 | 8 | 6.01 | 18 | 1 |
|---|
| 1999 | 75 | 93 | 86.5 | 95 | 63.5 | 81 | 2.02 | 99 | 0 |
|---|
| 1998 | 77.3 | 50 | 86.4 | 97 | 68.2 | 17 | 0.79 | 122 | 0 |
|---|
| 1997 | 74.2 | 106 | 84.4 | 118 | 64.1 | 70 | | | 0 |
|---|
| 1996 | 75.8 | 81 | 85.1 | 116 | 66.5 | 38 | 2.97 | 72 | 0 |
|---|
| 1995 | 81.5 | 7 | 91.6 | 28 | 71.4 | 1 | 3.10 | 64 | 0 |
|---|
| 1994 | 75.4 | 88 | 86.2 | 101 | 64.1 | 70 | 2.05 | 98 | 2 |
|---|
| 1993 | 78.3 | 35 | 88 | 73 | 68.7 | 14 | 8.85 | 3 | 0 |
|---|
| 1992 | 70.6 | 122 | 80.9 | 126 | 60.3 | 120 | 1.70 | 106 | 0 |
|---|
| 1991 | 76.8 | 58 | 88.3 | 71 | 65.3 | 54 | 2.71 | 78 | 0 |
|---|
| 1990 | 76 | 77 | 86 | 103 | 66 | 47 | 3.00 | 71 | 0 |
|---|
| 1989 | 75.3 | 89 | 86.7 | 92 | 63.9 | 76 | 6.42 | 12 | 0 |
|---|
| 1988 | 78.9 | 28 | 90.7 | 32 | 67 | 32 | 4.56 | 37 | 1 |
|---|
| 1987 | 74.6 | 99 | 90.5 | 36 | 58.6 | 123 | 2.21 | 92 | 2 |
|---|
| 1986 | 70.9 | 121 | 85.7 | 107 | 56.2 | 125 | 3.13 | 63 | 0 |
|---|
| 1985 | 72.2 | 117 | 82.5 | 124 | 62 | 106 | 7.13 | 9 | 0 |
|---|
| 1984 | | | 92.4 | 18 | | | 0.72 | 123 | 7 |
|---|
| 1983 | | | 95.9 | 6 | | | 1.57 | 109 | 5 |
|---|
| 1982 | | | 84 | 120 | | | 9.30 | 2 | 9 |
|---|
| 1981 | 74.1 | 107 | 85.7 | 107 | 62.5 | 98 | 1.00 | 118 | 0 |
|---|
| 1980 | 81.7 | 6 | 95.3 | 8 | 68.2 | 17 | 3.85 | 45 | 0 |
|---|
| 1979 | 75.9 | 79 | 87.7 | 76 | 64.1 | 70 | 2.34 | 89 | 0 |
|---|
| 1978 | 76.7 | 59 | 88.8 | 63 | 64.6 | 59 | 3.52 | 53 | 0 |
|---|
| 1977 | 76 | 77 | 89.3 | 55 | 62.8 | 93 | 3.06 | 67 | 0 |
|---|
| 1976 | 76.1 | 74 | 89.4 | 48 | 62.8 | 93 | 1.63 | 108 | 0 |
|---|
| 1974 | | | 87.4 | 83 | | | 6.67 | 11 | 31 |
|---|
| 1973 | 77.2 | 52 | 91.8 | 26 | 62.6 | 97 | 0.08 | 127 | 1 |
|---|
| 1972 | 76.3 | 71 | 90.5 | 36 | 62.2 | 104 | 1.37 | 112 | 1 |
|---|
| 1971 | 74.6 | 99 | 89.4 | 48 | 59.8 | 121 | 1.17 | 114 | 0 |
|---|
| 1970 | 77 | 56 | 89.7 | 45 | 64.2 | 67 | 2.71 | 78 | 2 |
|---|
| 1969 | 75 | 93 | 89.2 | 56 | 60.8 | 114 | 0.92 | 120 | 0 |
|---|
| 1967 | 71.2 | 119 | 85.6 | 110 | 56.8 | 124 | 2.39 | 87 | 0 |
|---|
| 1965 | 74.3 | 104 | 87.7 | 76 | 61.1 | 112 | 5.10 | 27 | 1 |
|---|
| 1964 | 75.8 | 81 | 90.8 | 31 | 60.8 | 114 | 1.02 | 117 | 0 |
|---|
| 1963 | 76.2 | 72 | 89.6 | 46 | 62.7 | 95 | 3.25 | 60 | 0 |
|---|
| 1962 | 77.3 | 50 | 94 | 10 | 60.5 | 117 | 0.99 | 119 | 0 |
|---|
| 1961 | 73.8 | 109 | 87.3 | 85 | 60.4 | 119 | 3.47 | 55 | 0 |
|---|
| 1960 | 77.6 | 42 | 92.2 | 23 | 63 | 89 | 0.17 | 126 | 0 |
|---|
| 1959 | 79.6 | 17 | 92.8 | 14 | 66.5 | 38 | 3.05 | 68 | 0 |
|---|
| 1958 | 76.1 | 74 | 89.2 | 56 | 63.1 | 88 | 2.10 | 96 | 0 |
|---|
| 1957 | 76.6 | 65 | 90.9 | 30 | 62.3 | 101 | 2.56 | 81 | 0 |
|---|
| 1956 | 79.9 | 14 | 92.4 | 18 | 67.3 | 28 | 4.78 | 32 | 0 |
|---|
| 1955 | 79.2 | 23 | 91.9 | 24 | 66.5 | 38 | 2.24 | 91 | 0 |
|---|
| 1954 | 80.6 | 9 | 92.3 | 21 | 68.9 | 11 | 3.74 | 48 | 0 |
|---|
| 1953 | 77.5 | 46 | 91.9 | 24 | 63.2 | 84 | 1.90 | 101 | 0 |
|---|
| 1952 | 74.5 | 102 | 85.9 | 105 | 63.2 | 84 | 8.25 | 6 | 0 |
|---|
| 1951 | 75.9 | 79 | 87.3 | 85 | 64.6 | 59 | 6.00 | 19 | 3 |
|---|
| 1950 | 69.9 | 123 | 80.6 | 128 | 59.1 | 122 | 6.07 | 17 | 0 |
|---|
| 1949 | 73.9 | 108 | 86.4 | 97 | 61.3 | 109 | 5.67 | 22 | 0 |
|---|
| 1948 | 74.6 | 99 | 86.8 | 91 | 62.3 | 101 | 2.42 | 86 | 0 |
|---|
| 1947 | 82.9 | 2 | 97.1 | 3 | 68.7 | 14 | 0.82 | 121 | 0 |
|---|
| 1946 | 73.7 | 110 | 84 | 120 | 63.4 | 82 | 12.37 | 1 | 0 |
|---|
| 1945 | 76.7 | 59 | 89.4 | 48 | 64 | 75 | 1.56 | 110 | 0 |
|---|
| 1944 | 75 | 93 | 85.5 | 111 | 64.5 | 62 | 5.86 | 20 | 0 |
|---|
| 1943 | 79.7 | 15 | 91.3 | 29 | 68.1 | 20 | 2.72 | 77 | 0 |
|---|
| 1942 | 73.4 | 114 | 85.7 | 107 | 61 | 113 | 3.76 | 47 | 0 |
|---|
| 1941 | 79 | 26 | 92.3 | 21 | 65.7 | 49 | 3.91 | 44 | 0 |
|---|
| 1940 | 74.8 | 98 | 86.6 | 93 | 62.9 | 91 | 8.27 | 5 | 0 |
|---|
| 1939 | 75.1 | 92 | 88.7 | 67 | 61.5 | 107 | 2.92 | 73 | 0 |
|---|
| 1938 | 80 | 13 | 92.8 | 14 | 67.2 | 31 | 1.39 | 111 | 0 |
|---|
| 1937 | 79.6 | 17 | 91.8 | 26 | 67.5 | 24 | 2.46 | 85 | 0 |
|---|
| 1936 | 84.5 | 1 | 97.8 | 2 | 71.2 | 2 | 3.48 | 54 | 0 |
|---|
| 1935 | 76.6 | 65 | 87.3 | 85 | 66 | 47 | 1.81 | 104 | 0 |
|---|
| 1934 | | | 92.8 | 14 | 66.9 | 34 | 6.25 | 15 | 4 |
|---|
| 1933 | 76.6 | 65 | 89.4 | 48 | 63.8 | 77 | 3.09 | 66 | 1 |
|---|
| 1932 | 78 | 38 | 90.4 | 39 | 65.5 | 51 | 5.81 | 21 | 1 |
|---|
| 1931 | 76.1 | 74 | 88.8 | 63 | 63.4 | 82 | 3.68 | 49 | 1 |
|---|
| 1930 | 78.5 | 30 | 92.4 | 18 | 64.6 | 59 | 2.11 | 95 | 1 |
|---|
| 1929 | 78.5 | 30 | 93.9 | 11 | 63.2 | 84 | 3.29 | 59 | 0 |
|---|
| 1928 | 77.4 | 48 | 87.9 | 74 | 66.7 | 36 | 5.63 | 24 | 1 |
|---|
| 1927 | 71.5 | 118 | 82.2 | 125 | 60.8 | 114 | 3.20 | 62 | 1 |
|---|
| 1926 | 77.5 | 46 | 88.3 | 71 | 66.7 | 36 | 4.52 | 38 | 0 |
|---|
| 1925 | 76.7 | 59 | 89.2 | 56 | 64.1 | 70 | 4.98 | 30 | 1 |
|---|
| 1924 | 77 | 56 | 87 | 90 | 66.9 | 34 | 4.70 | 35 | 1 |
|---|
| 1923 | 78.2 | 37 | 89.6 | 46 | 66.4 | 41 | 2.35 | 88 | 2 |
|---|
| 1922 | 77.6 | 42 | 90.1 | 42 | 65.1 | 55 | 3.32 | 58 | 0 |
|---|
| 1921 | 76.7 | 59 | 87.3 | 85 | 66.1 | 45 | 5.43 | 26 | 0 |
|---|
| 1920 | 73.6 | 112 | 84.9 | 117 | 62.2 | 104 | 6.35 | 14 | 0 |
|---|
| 1919 | 76.2 | 72 | 89.4 | 48 | 63 | 89 | 3.60 | 50 | 0 |
|---|
| 1918 | 82.6 | 3 | 95.7 | 7 | 69.5 | 5 | 2.50 | 83 | 0 |
|---|
| 1917 | 73.5 | 113 | 84.3 | 119 | 62.7 | 95 | 4.16 | 41 | 0 |
|---|
| 1916 | 79 | 26 | 90.7 | 32 | 67.3 | 28 | 4.66 | 36 | 0 |
|---|
| 1915 | | | | | 60.5 | 117 | 5.61 | 25 | 4 |
|---|
| 1914 | 79.3 | 21 | 93.7 | 13 | 64.9 | 57 | 7.04 | 10 | 0 |
|---|
| 1913 | 82.5 | 4 | 99.9 | 1 | 65.1 | 55 | 2.20 | 93 | 0 |
|---|
| 1912 | 75 | 93 | 87.5 | 82 | 62.4 | 100 | 3.96 | 42 | 0 |
|---|
| 1911 | 75.8 | 81 | 89.2 | 56 | 62.3 | 101 | 4.29 | 39 | 1 |
|---|
| 1910 | 74.3 | 104 | 87.8 | 75 | 61.4 | 108 | 1.84 | 103 | 2 |
|---|
| 1909 | 80.6 | 9 | 96.3 | 5 | 64.9 | 57 | 0.38 | 125 | 0 |
|---|
| 1908 | 76.4 | 69 | 90.3 | 41 | 62.5 | 98 | 3.02 | 69 | 0 |
|---|
| 1907 | 76.7 | 59 | 89.4 | 48 | 63.8 | 77 | 2.51 | 82 | 1 |
|---|
| 1906 | 76.4 | 69 | 89.1 | 61 | 63.8 | 77 | 3.01 | 70 | 0 |
|---|
| 1905 | 76.5 | 68 | 88.8 | 63 | 64.3 | 66 | 4.77 | 33 | 1 |
|---|
| 1904 | 73.7 | 110 | 86.2 | 101 | 61.3 | 109 | 4.72 | 34 | 0 |
|---|
| 1903 | 75 | 93 | 85.4 | 113 | 64.5 | 62 | 5.06 | 28 | 0 |
|---|
| 1902 | 75.8 | 81 | 87.4 | 83 | 64.1 | 70 | 5.06 | 28 | 0 |
|---|
| 1901 | 80.5 | 11 | 96.5 | 4 | 64.5 | 62 | 2.12 | 94 | 0 |
|---|
| 1900 | 81 | 8 | 95.1 | 9 | 67 | 32 | 2.66 | 80 | 0 |
|---|
| 1899 | 79.3 | 21 | 92.5 | 17 | 66.1 | 45 | 3.96 | 42 | 0 |
|---|
| 1898 | 77.8 | 40 | 89.4 | 48 | 66.3 | 43 | 1.67 | 107 | 0 |
|---|
| 1897 | 75.2 | 91 | 86.3 | 99 | 64.2 | 67 | 1.05 | 116 | 0 |
|---|
| 1896 | 78.3 | 35 | 89.2 | 56 | 67.4 | 26 | 1.15 | 115 | 0 |
|---|
| 1895 | 76.7 | 59 | 87.1 | 89 | 66.2 | 44 | 3.10 | 64 | 0 |
|---|