Every 1 to 9 October in Rapid City, SD from 1942 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 | 62.1 | 4 | 80.3 | 2 | 43.9 | 16 | 0.00 | 76 | 0 |
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| 2025 | 60.4 | 10 | 75.9 | 13 | 45 | 13 | 0.60 | 23 | 0 |
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| 2024 | 60.4 | 10 | 78.4 | 6 | 42.4 | 23 | 0.00 | 76 | 0 |
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| 2023 | 55.1 | 29 | 69.4 | 29 | 40.8 | 31 | 0.68 | 18 | 0 |
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| 2022 | 54.7 | 31 | 66.6 | 43 | 42.9 | 21 | 0.42 | 30 | 0 |
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| 2021 | 63.2 | 2 | 79.9 | 4 | 46.6 | 3 | 0.19 | 45 | 0 |
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| 2020 | 56.7 | 22 | 74.4 | 18 | 38.9 | 44 | trace | 67 | 0 |
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| 2019 | 45.6 | 77 | 58.7 | 71 | 32.4 | 81 | 0.31 | 38 | 0 |
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| 2018 | 42.9 | 81 | 54.7 | 80 | 31.2 | 82 | 0.73 | 15 | 0 |
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| 2017 | 47.4 | 71 | 59.3 | 70 | 35.6 | 71 | 0.50 | 26 | 0 |
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| 2016 | 52.1 | 48 | 67.8 | 37 | 36.4 | 62 | 0.16 | 49 | 0 |
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| 2015 | 54.4 | 33 | 63.3 | 60 | 45.4 | 9 | 0.67 | 19 | 0 |
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| 2014 | 49.7 | 63 | 63.7 | 56 | 35.7 | 69 | 0.19 | 45 | 0 |
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| 2013 | 46.2 | 74 | 55.9 | 78 | 36.6 | 61 | 2.98 | 2 | 0 |
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| 2012 | 45.2 | 79 | 57.8 | 72 | 32.6 | 79 | trace | 67 | 0 |
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| 2011 | 61.4 | 6 | 75.6 | 14 | 47.3 | 2 | 1.23 | 7 | 0 |
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| 2010 | 61.1 | 9 | 76.6 | 12 | 45.6 | 8 | 0.14 | 52 | 0 |
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| 2009 | 38.4 | 84 | 47.3 | 84 | 29.4 | 84 | 1.16 | 9 | 0 |
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| 2008 | 54.4 | 33 | 70 | 26 | 38.8 | 46 | 0.12 | 53 | 0 |
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| 2007 | 55.4 | 27 | 71.2 | 22 | 39.7 | 40 | 0.19 | 45 | 0 |
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| 2006 | 57.2 | 21 | 69.1 | 32 | 45.2 | 10 | 0.01 | 64 | 0 |
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| 2005 | 50.8 | 57 | 62.7 | 63 | 38.9 | 44 | 0.76 | 14 | 0 |
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| 2004 | 55.7 | 25 | 73 | 20 | 38.3 | 47 | 0.01 | 64 | 0 |
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| 2003 | 59.8 | 13 | 78.3 | 7 | 41.2 | 29 | 0.00 | 76 | 0 |
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| 2002 | 47.1 | 72 | 57.2 | 74 | 37 | 56 | 0.41 | 31 | 0 |
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| 2001 | 51.8 | 54 | 66.4 | 44 | 37.1 | 55 | 0.57 | 25 | 0 |
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| 2000 | 41.7 | 83 | 54.3 | 82 | 29.1 | 85 | 0.29 | 40 | 0 |
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| 1999 | 49.6 | 64 | 63.6 | 58 | 35.6 | 71 | 0.06 | 58 | 0 |
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| 1998 | 47.8 | 68 | 57.3 | 73 | 38.2 | 50 | 2.24 | 3 | 0 |
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| 1997 | 58.9 | 15 | 76.7 | 11 | 41.2 | 29 | 0.34 | 37 | 0 |
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| 1996 | 54.2 | 36 | 68.1 | 36 | 40.2 | 34 | 0.05 | 60 | 0 |
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| 1995 | 47.8 | 68 | 60.6 | 67 | 35 | 74 | 1.18 | 8 | 0 |
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| 1994 | 51.9 | 51 | 60.3 | 68 | 43.4 | 17 | 1.12 | 11 | 0 |
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| 1993 | 51.3 | 55 | 66 | 47 | 36.7 | 60 | 0.36 | 35 | 0 |
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| 1992 | 54.1 | 37 | 68.9 | 33 | 39.2 | 42 | 0.22 | 43 | 0 |
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| 1991 | 51.9 | 51 | 67.1 | 42 | 36.8 | 59 | 0.43 | 28 | 0 |
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| 1990 | 50 | 60 | 64.1 | 54 | 35.9 | 66 | 0.09 | 55 | 0 |
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| 1989 | 50 | 60 | 61.7 | 66 | 38.3 | 47 | 0.22 | 43 | 0 |
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| 1988 | 49.9 | 62 | 63.4 | 59 | 36.3 | 65 | 0.00 | 76 | 0 |
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| 1987 | 52.3 | 46 | 68.7 | 34 | 35.9 | 66 | 0.08 | 57 | 0 |
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| 1986 | 48.9 | 67 | 59.6 | 69 | 38.3 | 47 | 1.43 | 6 | 0 |
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| 1985 | 41.8 | 82 | 53 | 83 | 30.7 | 83 | 0.12 | 53 | 0 |
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| 1984 | 58.3 | 19 | 70.7 | 24 | 46 | 5 | 0.60 | 23 | 0 |
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| 1983 | 52.2 | 47 | 64.1 | 54 | 40.2 | 34 | 0.93 | 12 | 0 |
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| 1982 | 46.6 | 73 | 56.7 | 76 | 36.4 | 62 | 3.44 | 1 | 0 |
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| 1981 | 53.8 | 40 | 68.7 | 34 | 39 | 43 | 0.65 | 20 | 0 |
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| 1980 | 62.1 | 4 | 77.8 | 8 | 46.3 | 4 | 0.00 | 76 | 0 |
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| 1979 | 55 | 30 | 70 | 26 | 40 | 36 | trace | 67 | 0 |
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| 1978 | 52.6 | 45 | 67.4 | 40 | 37.7 | 52 | trace | 67 | 0 |
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| 1977 | 45.8 | 76 | 54.6 | 81 | 37 | 56 | 0.92 | 13 | 0 |
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| 1976 | 52.1 | 48 | 67.2 | 41 | 37 | 56 | 0.18 | 48 | 0 |
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| 1975 | 60.2 | 12 | 78.7 | 5 | 41.8 | 27 | 0.00 | 76 | 0 |
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| 1974 | | | | | 34.6 | 76 | 0.47 | 27 | 1 |
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| 1973 | 54.5 | 32 | 69.2 | 31 | 39.8 | 38 | 1.14 | 10 | 0 |
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| 1972 | 54.1 | 37 | 70.7 | 24 | 37.4 | 53 | 0.71 | 16 | 0 |
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| 1971 | 52.1 | 48 | 63.7 | 56 | 40.6 | 32 | 0.62 | 21 | 0 |
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| 1970 | 49.2 | 65 | 63.3 | 60 | 35 | 74 | 0.30 | 39 | 0 |
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| 1969 | 50.3 | 58 | 63.3 | 60 | 37.3 | 54 | 0.37 | 34 | 0 |
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| 1968 | 50.1 | 59 | 65.9 | 48 | 34.2 | 77 | trace | 67 | 0 |
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| 1967 | 57.5 | 20 | 69.9 | 28 | 45.1 | 11 | 0.09 | 55 | 0 |
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| 1966 | 52.9 | 43 | 67.8 | 37 | 38.1 | 51 | 0.43 | 28 | 0 |
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| 1965 | 58.6 | 18 | 75 | 16 | 42.2 | 25 | trace | 67 | 0 |
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| 1964 | 50.9 | 56 | 66.2 | 45 | 35.7 | 69 | 0.00 | 76 | 0 |
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| 1963 | 68.4 | 1 | 83.8 | 1 | 53 | 1 | trace | 67 | 0 |
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| 1962 | 55.3 | 28 | 66.2 | 45 | 44.3 | 15 | 1.61 | 4 | 0 |
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| 1961 | 51.9 | 51 | 64.6 | 51 | 39.3 | 41 | 0.01 | 64 | 0 |
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| 1960 | 61.2 | 8 | 77.3 | 9 | 45.1 | 11 | 0.00 | 76 | 0 |
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| 1959 | 44.6 | 80 | 56.3 | 77 | 32.8 | 78 | 0.15 | 51 | 0 |
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| 1958 | 55.6 | 26 | 69.4 | 29 | 41.7 | 28 | 0.03 | 62 | 0 |
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| 1957 | 54.3 | 35 | 65.1 | 50 | 43.4 | 17 | 0.24 | 41 | 0 |
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| 1956 | 58.9 | 15 | 74.8 | 17 | 43.1 | 20 | trace | 67 | 0 |
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| 1955 | 56.7 | 22 | 71.1 | 23 | 42.3 | 24 | 0.16 | 49 | 0 |
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| 1954 | 52.8 | 44 | 65.9 | 48 | 39.8 | 38 | 0.35 | 36 | 0 |
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| 1953 | 58.7 | 17 | 75.1 | 15 | 42.2 | 25 | 0.02 | 63 | 0 |
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| 1952 | 47.5 | 70 | 62.4 | 64 | 32.6 | 79 | 0.00 | 76 | 0 |
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| 1951 | 53.6 | 42 | 64.6 | 51 | 42.6 | 22 | 0.62 | 21 | 0 |
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| 1950 | 45.6 | 77 | 55.4 | 79 | 35.8 | 68 | 0.40 | 33 | 0 |
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| 1949 | 53.9 | 39 | 64.4 | 53 | 43.3 | 19 | 0.70 | 17 | 0 |
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| 1948 | 53.8 | 40 | 67.8 | 37 | 39.9 | 37 | 0.23 | 42 | 0 |
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| 1947 | 61.4 | 6 | 76.9 | 10 | 46 | 5 | 0.06 | 58 | 0 |
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| 1946 | 46 | 75 | 56.9 | 75 | 35.1 | 73 | 1.57 | 5 | 0 |
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| 1945 | 56.2 | 24 | 71.8 | 21 | 40.6 | 32 | trace | 67 | 0 |
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| 1944 | 49.2 | 65 | 62 | 65 | 36.4 | 62 | 0.41 | 31 | 0 |
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| 1943 | 63.1 | 3 | 80.1 | 3 | 46 | 5 | 0.00 | 76 | 0 |
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| 1942 | 59.3 | 14 | 74.1 | 19 | 44.6 | 14 | 0.04 | 61 | 0 |
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