Every August in Oak Ridge, TN from 1947 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 |
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| 2026 | 80.2 | 5 | 91.1 | 8 | 69.3 | 7 | 3.96 | 33 | 0 |
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| 2025 | 76 | 50 | 85.5 | 62 | 66.4 | 36 | 5.24 | 12 | 0 |
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| 2024 | 78.4 | 19 | 89.9 | 17 | 67 | 29 | 3.03 | 47 | 0 |
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| 2023 | 77.8 | 28 | 86.9 | 43 | 68.7 | 12 | 4.65 | 19 | 0 |
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| 2022 | 78.1 | 24 | 87.7 | 32 | 68.5 | 14 | 2.30 | 60 | 0 |
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| 2021 | 78.7 | 15 | 88.3 | 28 | 69.2 | 9 | 9.03 | 3 | 0 |
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| 2020 | 78.4 | 19 | 87.4 | 36 | 69.3 | 7 | 4.33 | 27 | 0 |
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| 2019 | 79.1 | 12 | 89.6 | 20 | 68.5 | 14 | 3.12 | 43 | 0 |
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| 2018 | 78.1 | 24 | 87.1 | 41 | 69.1 | 10 | 2.97 | 48 | 0 |
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| 2017 | 76.5 | 43 | 86 | 55 | 67.1 | 25 | 8.16 | 5 | 0 |
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| 2016 | 81.5 | 3 | 91.5 | 4 | 71.4 | 2 | 3.91 | 34 | 0 |
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| 2015 | 76.4 | 45 | 86.5 | 47 | 66.3 | 37 | 5.97 | 6 | 0 |
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| 2014 | 77.4 | 32 | 87.2 | 39 | 67.5 | 21 | 5.89 | 8 | 0 |
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| 2013 | 76.6 | 42 | 85.5 | 62 | 67.7 | 19 | 4.61 | 21 | 0 |
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| 2012 | 76.4 | 45 | 87 | 42 | 65.8 | 42 | 2.89 | 50 | 0 |
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| 2011 | 79.5 | 7 | 91.5 | 4 | 67.5 | 21 | 0.91 | 78 | 0 |
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| 2010 | 80.8 | 4 | 90.6 | 11 | 71 | 3 | 2.80 | 53 | 0 |
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| 2009 | 76.4 | 45 | 86 | 55 | 66.8 | 31 | 4.57 | 23 | 0 |
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| 2008 | 76.7 | 41 | 88.2 | 30 | 65.3 | 51 | 3.08 | 45 | 0 |
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| 2007 | 83.6 | 1 | 95.6 | 1 | 71.7 | 1 | 0.71 | 79 | 0 |
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| 2006 | 79.9 | 6 | 89.4 | 23 | 70.5 | 4 | 5.03 | 15 | 0 |
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| 2005 | 79.4 | 8 | 89.1 | 25 | 69.6 | 5 | 1.40 | 73 | 0 |
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| 2004 | 74.2 | 71 | 83.8 | 75 | 64.5 | 63 | 2.91 | 49 | 0 |
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| 2003 | 78.3 | 21 | 87.9 | 31 | 68.7 | 12 | 3.86 | 36 | 0 |
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| 2002 | 79.4 | 8 | 90.9 | 9 | 67.9 | 17 | 2.53 | 58 | 0 |
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| 2001 | 77.4 | 32 | 86.6 | 45 | 68.1 | 16 | 3.04 | 46 | 0 |
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| 2000 | 77.3 | 34 | 87.5 | 34 | 67.2 | 24 | 1.77 | 70 | 0 |
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| 1999 | 77.8 | 28 | 89.5 | 21 | 66.2 | 38 | 1.74 | 72 | 0 |
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| 1998 | 79.2 | 10 | 91.3 | 7 | 67.1 | 25 | 1.35 | 75 | 0 |
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| 1997 | 76 | 50 | 88.5 | 26 | 63.6 | 72 | 4.02 | 31 | 0 |
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| 1996 | 76.9 | 38 | 87.6 | 33 | 66.2 | 38 | 3.35 | 40 | 0 |
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| 1995 | 82.1 | 2 | 94.5 | 2 | 69.6 | 5 | 2.25 | 61 | 0 |
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| 1994 | 75 | 64 | 85.5 | 62 | 64.5 | 63 | 3.85 | 37 | 0 |
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| 1993 | 78.6 | 18 | 90.2 | 13 | 67.1 | 25 | 3.25 | 41 | 0 |
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| 1992 | 73.2 | 75 | 83.1 | 77 | 63.4 | 74 | 3.38 | 39 | 0 |
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| 1991 | 76.8 | 39 | 87.4 | 36 | 66.2 | 38 | 4.62 | 20 | 0 |
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| 1990 | 77.6 | 30 | 88.4 | 27 | 66.8 | 31 | 5.09 | 13 | 0 |
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| 1989 | 75.8 | 54 | 86 | 55 | 65.6 | 44 | 3.90 | 35 | 0 |
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| 1988 | 78.7 | 15 | 89.7 | 19 | 67.7 | 19 | 2.39 | 59 | 0 |
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| 1987 | 78 | 27 | 90.4 | 12 | 65.7 | 43 | 1.92 | 67 | 0 |
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| 1986 | 75.5 | 57 | 86.3 | 50 | 64.8 | 57 | 2.84 | 52 | 0 |
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| 1985 | 73 | 76 | 82.1 | 79 | 64 | 69 | 8.50 | 4 | 0 |
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| 1984 | 75 | 64 | 85.3 | 65 | 64.8 | 57 | 1.87 | 68 | 0 |
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| 1983 | 79.1 | 12 | 91.5 | 4 | 66.8 | 31 | 1.28 | 76 | 0 |
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| 1982 | 73.8 | 74 | 84.7 | 70 | 62.8 | 78 | 4.61 | 21 | 0 |
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| 1981 | 74 | 73 | 84.8 | 68 | 63.3 | 76 | 3.11 | 44 | 0 |
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| 1980 | 78.8 | 14 | 92.2 | 3 | 65.5 | 48 | 2.07 | 66 | 0 |
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| 1979 | 74.9 | 67 | 85.9 | 58 | 63.8 | 70 | 5.49 | 11 | 0 |
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| 1978 | 75.6 | 56 | 86.6 | 45 | 64.6 | 60 | 5.75 | 9 | 0 |
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| 1977 | 75.3 | 60 | 86.1 | 54 | 64.5 | 63 | 4.40 | 26 | 0 |
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| 1976 | 72.3 | 79 | 84 | 73 | 60.6 | 80 | 4.89 | 17 | 0 |
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| 1975 | 76.1 | 49 | 86.9 | 43 | 65.4 | 49 | 2.67 | 56 | 0 |
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| 1974 | 74.2 | 71 | 83.9 | 74 | 64.5 | 63 | 4.31 | 28 | 0 |
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| 1973 | 75.2 | 62 | 84.9 | 67 | 65.6 | 44 | 2.25 | 61 | 0 |
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| 1972 | 75.5 | 57 | 85.6 | 61 | 65.3 | 51 | 1.77 | 70 | 0 |
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| 1971 | 74.8 | 68 | 85 | 66 | 64.6 | 60 | 2.57 | 57 | 0 |
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| 1970 | 76.5 | 43 | 86.2 | 53 | 66.7 | 34 | 9.10 | 2 | 0 |
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| 1969 | 74.8 | 68 | 85.9 | 58 | 63.7 | 71 | 4.17 | 30 | 0 |
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| 1968 | 78.3 | 21 | 89.5 | 21 | 67 | 29 | 1.25 | 77 | 0 |
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| 1967 | 72.8 | 77 | 82.1 | 79 | 63.5 | 73 | 2.22 | 63 | 0 |
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| 1966 | 75 | 64 | 84.4 | 71 | 65.6 | 44 | 4.73 | 18 | 0 |
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| 1965 | 75.8 | 54 | 86.3 | 50 | 65.3 | 51 | 2.76 | 54 | 0 |
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| 1964 | 74.3 | 70 | 84.3 | 72 | 64.3 | 68 | 5.05 | 14 | 0 |
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| 1963 | 75.4 | 59 | 86.3 | 50 | 64.4 | 67 | 3.17 | 42 | 0 |
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| 1962 | 76 | 50 | 87.3 | 38 | 64.6 | 60 | 2.87 | 51 | 0 |
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| 1961 | 75.1 | 63 | 84.8 | 68 | 65.4 | 49 | 4.02 | 31 | 0 |
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| 1960 | 77.1 | 36 | 86.4 | 49 | 67.8 | 18 | 10.46 | 1 | 0 |
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| 1959 | 78.2 | 23 | 87.5 | 34 | 68.9 | 11 | 5.63 | 10 | 0 |
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| 1958 | 75.3 | 60 | 85.7 | 60 | 64.9 | 56 | 3.46 | 38 | 0 |
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| 1957 | 77.6 | 30 | 90.1 | 16 | 65.1 | 55 | 1.82 | 69 | 0 |
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| 1956 | 77 | 37 | 88.3 | 28 | 65.6 | 44 | 2.08 | 65 | 0 |
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| 1955 | 78.7 | 15 | 90.2 | 13 | 67.1 | 25 | 4.54 | 24 | 0 |
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| 1954 | 78.1 | 24 | 89.8 | 18 | 66.5 | 35 | 2.73 | 55 | 0 |
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| 1953 | 76.8 | 39 | 90.2 | 13 | 63.4 | 74 | 0.54 | 80 | 0 |
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| 1952 | 76.3 | 48 | 86.5 | 47 | 66 | 41 | 4.48 | 25 | 0 |
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| 1951 | 77.3 | 34 | 89.4 | 23 | 65.3 | 51 | 1.38 | 74 | 0 |
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| 1950 | 72.3 | 79 | 83.2 | 76 | 61.4 | 79 | 5.94 | 7 | 0 |
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| 1949 | 72.8 | 77 | 82.5 | 78 | 63.1 | 77 | 4.96 | 16 | 0 |
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| 1948 | 75.9 | 53 | 87.2 | 39 | 64.7 | 59 | 2.17 | 64 | 0 |
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| 1947 | 79.2 | 10 | 90.9 | 9 | 67.5 | 21 | 4.23 | 29 | 0 |
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