Every 1 to 10 October in Ukiah, CA from 1893 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 | 74.4 | 3 | 95.9 | 3 | 52.8 | 2 | 0.00 | 85 | 0 |
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| 2025 | 63.4 | 67 | 76.4 | 101 | 50.4 | 16 | 0.37 | 42 | 0 |
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| 2024 | 75.7 | 2 | 99.3 | 1 | 52.1 | 6 | 0.00 | 85 | 0 |
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| 2023 | 67.2 | 24 | 84.5 | 35 | 49.8 | 20 | 0.14 | 57 | 0 |
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| 2022 | 70.3 | 10 | 90 | 13 | 50.6 | 14 | trace | 76 | 0 |
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| 2021 | 64.3 | 55 | 83 | 49 | 45.6 | 71 | 0.00 | 85 | 0 |
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| 2020 | 70.1 | 13 | 89.9 | 14 | 50.3 | 18 | trace | 76 | 0 |
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| 2019 | 61.3 | 83 | 81.5 | 65 | 41.1 | 118 | 0.00 | 85 | 0 |
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| 2018 | 64.1 | 57 | 76.2 | 105 | 51.9 | 9 | 1.33 | 15 | 0 |
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| 2017 | 60.8 | 90 | 81.3 | 67 | 40.2 | 123 | 0.00 | 85 | 0 |
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| 2016 | 60.9 | 87 | 76.8 | 98 | 44.9 | 83 | 0.32 | 46 | 0 |
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| 2015 | 68 | 21 | 85.6 | 29 | 50.4 | 16 | trace | 76 | 0 |
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| 2014 | 71.6 | 8 | 94.9 | 5 | 48.2 | 39 | 0.00 | 85 | 0 |
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| 2013 | 60.3 | 98 | 78.6 | 82 | 41.9 | 113 | 0.00 | 85 | 0 |
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| 2012 | 66.2 | 34 | 84.3 | 38 | 48.1 | 42 | trace | 76 | 0 |
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| 2011 | 58.9 | 113 | 68.2 | 124 | 49.5 | 25 | 3.55 | 1 | 0 |
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| 2010 | 64.5 | 52 | 80.9 | 70 | 48 | 43 | 0.02 | 70 | 0 |
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| 2009 | 59.1 | 110 | 77.4 | 93 | 40.8 | 121 | 0.00 | 85 | 0 |
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| 2008 | 60.9 | 87 | 73.2 | 114 | 48.6 | 34 | 0.86 | 23 | 0 |
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| 2007 | 57.7 | 119 | 71.8 | 121 | 43.5 | 100 | 0.62 | 28 | 0 |
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| 2006 | 59.6 | 106 | 73.2 | 114 | 46 | 64 | 0.31 | 47 | 0 |
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| 2005 | 60.7 | 93 | 77.3 | 95 | 44 | 95 | trace | 76 | 0 |
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| 2004 | 64.8 | 47 | 82.8 | 51 | 46.8 | 59 | 0.02 | 70 | 0 |
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| 2003 | 65.2 | 43 | 81.6 | 63 | 48.7 | 31 | 0.00 | 85 | 0 |
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| 2002 | 66.2 | 34 | 87.1 | 20 | 45.2 | 79 | 0.00 | 85 | 0 |
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| 2001 | 68.1 | 18 | 87.1 | 20 | 49.1 | 29 | 0.00 | 85 | 0 |
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| 2000 | 65.1 | 44 | 82.7 | 53 | 47.6 | 47 | 0.57 | 33 | 1 |
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| 1999 | 65.7 | 39 | 82.1 | 60 | 49.2 | 26 | 0.04 | 65 | 0 |
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| 1998 | 59.7 | 104 | 73 | 116 | 45.9 | 68 | trace | 76 | 1 |
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| 1997 | | | | | 48.2 | 39 | 2.16 | 5 | 2 |
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| 1996 | 70.2 | 12 | 88.5 | 17 | 51.9 | 9 | 0.00 | 85 | 0 |
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| 1995 | 64.8 | 47 | 83.9 | 42 | 45.6 | 71 | 0.00 | 85 | 0 |
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| 1994 | | | 81.4 | 66 | 46.8 | 59 | 0.37 | 42 | 2 |
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| 1993 | | | | | 52.1 | 6 | 0.19 | 55 | 2 |
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| 1992 | 66.2 | 34 | 83.7 | 44 | 48.6 | 34 | 0.88 | 22 | 0 |
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| 1991 | 73.2 | 4 | 94.1 | 7 | 52.3 | 3 | 0.00 | 85 | 0 |
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| 1990 | 65.9 | 38 | 84.1 | 41 | 47.7 | 44 | 0.00 | 85 | 0 |
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| 1989 | 63.5 | 65 | 80.8 | 71 | 46.2 | 63 | 0.13 | 58 | 0 |
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| 1988 | 66.6 | 30 | 82.8 | 51 | 50.3 | 18 | | | 0 |
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| 1987 | 72 | 6 | 91.8 | 10 | 52.1 | 6 | 0.00 | 85 | 0 |
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| 1986 | 67.4 | 22 | 86 | 25 | 48.7 | 31 | 0.00 | 85 | 0 |
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| 1985 | 67.2 | 24 | 84.7 | 34 | 49.6 | 21 | 0.00 | 85 | 0 |
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| 1984 | | | | | 51.1 | 13 | 0.89 | 21 | 2 |
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| 1982 | 60.3 | 98 | 78.2 | 85 | 42.3 | 110 | 0.08 | 62 | 0 |
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| 1981 | 60.4 | 96 | 73.7 | 113 | 47 | 57 | 1.27 | 16 | 0 |
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| 1980 | 76.3 | 1 | 98.1 | 2 | 54.5 | 1 | 0.00 | 85 | 0 |
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| 1979 | 68.1 | 18 | 83.8 | 43 | 52.3 | 3 | 0.00 | 85 | 0 |
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| 1978 | 69.3 | 14 | 89.3 | 15 | 49.2 | 26 | 0.00 | 85 | 0 |
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| 1977 | 63.5 | 65 | 82.3 | 58 | 44.7 | 87 | 0.00 | 85 | 0 |
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| 1976 | 66.3 | 33 | 85.5 | 30 | 47.1 | 56 | 0.24 | 52 | 0 |
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| 1975 | 62 | 76 | 76.3 | 103 | 47.7 | 44 | 1.75 | 9 | 0 |
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| 1974 | 66.6 | 30 | 86.2 | 23 | 47 | 57 | trace | 76 | 0 |
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| 1973 | 59.9 | 101 | 76.8 | 98 | 43 | 106 | 0.65 | 27 | 0 |
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| 1972 | 64.4 | 54 | 80.1 | 75 | 48.6 | 34 | 0.40 | 41 | 0 |
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| 1971 | 68.2 | 17 | 90.6 | 12 | 45.8 | 69 | 0.00 | 85 | 0 |
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| 1970 | 66.8 | 28 | 89 | 16 | 44.6 | 89 | 0.00 | 85 | 0 |
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| 1969 | 61 | 85 | 76.9 | 96 | 45 | 82 | 0.28 | 49 | 0 |
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| 1968 | 61.7 | 80 | 80.1 | 75 | 43.2 | 104 | 0.00 | 85 | 0 |
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| 1967 | 61 | 85 | 76.1 | 106 | 45.8 | 69 | 1.71 | 11 | 0 |
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| 1966 | 67.2 | 24 | 85.4 | 31 | 48.9 | 30 | 0.00 | 85 | 0 |
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| 1965 | 68.1 | 18 | 87.8 | 19 | 48.4 | 37 | 0.07 | 63 | 0 |
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| 1964 | 70.3 | 10 | 91.3 | 11 | 49.2 | 26 | 0.00 | 85 | 0 |
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| 1963 | 64.6 | 51 | 81 | 68 | 48.2 | 39 | 0.95 | 19 | 0 |
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| 1962 | 61.3 | 83 | 73.9 | 112 | 48.7 | 31 | 0.62 | 28 | 0 |
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| 1961 | 64.2 | 56 | 83.7 | 44 | 44.7 | 87 | 0.02 | 70 | 0 |
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| 1960 | 60.9 | 87 | 74 | 111 | 47.7 | 44 | 0.62 | 28 | 0 |
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| 1959 | 62.6 | 72 | 77.8 | 89 | 47.4 | 50 | 0.11 | 61 | 0 |
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| 1958 | 71.7 | 7 | 94.9 | 5 | 48.4 | 37 | 0.00 | 85 | 0 |
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| 1957 | 57.7 | 119 | 68.1 | 125 | 47.2 | 55 | 3.21 | 3 | 0 |
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| 1956 | 68.4 | 16 | 86.1 | 24 | 50.6 | 14 | 0.03 | 69 | 0 |
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| 1955 | 63.4 | 67 | 83.2 | 47 | 43.6 | 99 | 0.43 | 39 | 0 |
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| 1954 | 59.1 | 110 | 76.4 | 101 | 41.7 | 114 | 0.48 | 36 | 0 |
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| 1953 | | | | | | | | | 2 |
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| 1952 | 70.9 | 9 | 92.1 | 9 | 49.6 | 21 | 0.00 | 85 | 0 |
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| 1951 | 64.8 | 47 | 82 | 61 | 47.6 | 47 | 0.76 | 25 | 0 |
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| 1950 | 63.7 | 62 | 82.2 | 59 | 45.2 | 79 | 0.23 | 53 | 0 |
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| 1949 | 62.5 | 73 | 80.2 | 73 | 44.8 | 85 | 0.23 | 53 | 0 |
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| 1948 | 63.8 | 59 | 80.3 | 72 | 47.3 | 52 | 0.82 | 24 | 0 |
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| 1947 | 65.7 | 39 | 79.2 | 80 | 52.2 | 5 | 2.98 | 4 | 0 |
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| 1946 | 59.5 | 107 | 77.4 | 93 | 41.5 | 116 | 0.31 | 47 | 0 |
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| 1945 | 67.1 | 27 | 84.5 | 35 | 49.6 | 21 | 0.16 | 56 | 0 |
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| 1944 | 63.6 | 64 | 83 | 49 | 44.2 | 92 | 0.00 | 85 | 0 |
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| 1943 | 65.1 | 44 | 82.7 | 53 | 47.4 | 50 | 0.25 | 50 | 0 |
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| 1942 | 66.2 | 34 | 86.8 | 22 | 45.5 | 77 | 0.70 | 26 | 0 |
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| 1941 | 60.5 | 95 | 80 | 78 | 40.9 | 119 | 0.00 | 85 | 0 |
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| 1940 | 60.2 | 100 | 77.5 | 91 | 42.9 | 108 | trace | 76 | 0 |
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| 1939 | 59.8 | 102 | 76.5 | 100 | 43 | 106 | 0.12 | 59 | 0 |
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| 1938 | 59.4 | 108 | 72.5 | 117 | 46.3 | 62 | 1.14 | 17 | 0 |
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| 1937 | 60.6 | 94 | 77.5 | 91 | 43.7 | 98 | 1.58 | 14 | 0 |
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| 1936 | 66.5 | 32 | 85.7 | 27 | 47.3 | 52 | 0.00 | 85 | 0 |
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| 1935 | 67.3 | 23 | 83.2 | 47 | 51.4 | 11 | 0.45 | 38 | 0 |
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| 1934 | 64.8 | 47 | 83.6 | 46 | 46 | 64 | 0.58 | 31 | 0 |
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| 1933 | 72.6 | 5 | 95.6 | 4 | 49.6 | 21 | 0.00 | 85 | 0 |
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| 1932 | 66.7 | 29 | 86 | 25 | 47.3 | 52 | 0.00 | 85 | 0 |
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| 1931 | 61.7 | 80 | 81.6 | 63 | 41.7 | 114 | 0.00 | 85 | 0 |
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| 1930 | 65.6 | 41 | 85.2 | 32 | 46 | 64 | 0.00 | 85 | 0 |
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| 1929 | 61.8 | 79 | 80.2 | 73 | 43.3 | 102 | 0.02 | 70 | 0 |
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| 1928 | 62.7 | 71 | 77.9 | 88 | 47.5 | 49 | 0.53 | 35 | 0 |
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| 1927 | 59.8 | 102 | 79.7 | 79 | 39.8 | 124 | 0.00 | 85 | 0 |
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| 1926 | 59.7 | 104 | 75.4 | 108 | 43.9 | 96 | 2.06 | 7 | 0 |
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| 1925 | 57.7 | 119 | 76 | 107 | 39.3 | 126 | 0.06 | 64 | 0 |
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| 1924 | | | | | | | 2.05 | 8 | 10 |
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| 1923 | 57.1 | 122 | 70.1 | 122 | 44.1 | 93 | 0.57 | 33 | 0 |
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| 1922 | 59.4 | 108 | 74.7 | 109 | 44.1 | 93 | 3.32 | 2 | 0 |
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| 1921 | 65.5 | 42 | 85 | 33 | 46 | 64 | 0.00 | 85 | 0 |
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| 1920 | 58.3 | 115 | 72.2 | 118 | 44.3 | 91 | 1.71 | 11 | 0 |
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| 1919 | 58.2 | 116 | 78.1 | 86 | 38.3 | 129 | 0.47 | 37 | 0 |
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| 1918 | 62.5 | 73 | 80.1 | 75 | 44.8 | 85 | 0.58 | 31 | 0 |
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| 1917 | 69.2 | 15 | 92.7 | 8 | 45.6 | 71 | 0.00 | 85 | 0 |
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| 1916 | 51.8 | 127 | 65.7 | 127 | 37.9 | 131 | 0.12 | 59 | 0 |
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| 1915 | 61.7 | 80 | 84.3 | 38 | 39.1 | 127 | 0.00 | 85 | 0 |
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| 1914 | 56 | 124 | 69.4 | 123 | 42.5 | 109 | 0.42 | 40 | 0 |
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| 1913 | 58.9 | 113 | 78 | 87 | 39.7 | 125 | 0.04 | 65 | 0 |
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| 1912 | 58.2 | 116 | 77.6 | 90 | 38.7 | 128 | 0.00 | 85 | 0 |
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| 1911 | 56.5 | 123 | 72 | 120 | 40.9 | 119 | 1.70 | 13 | 0 |
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| 1910 | 63.8 | 59 | 84.4 | 37 | 43.1 | 105 | 0.04 | 65 | 0 |
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| 1909 | 62 | 76 | 78.3 | 84 | 45.6 | 71 | 0.33 | 45 | 0 |
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| 1908 | 60.8 | 90 | 81 | 68 | 40.6 | 122 | 0.00 | 85 | 0 |
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| 1907 | 63.3 | 69 | 84.2 | 40 | 42.3 | 110 | 0.00 | 85 | 0 |
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| 1906 | 64.9 | 46 | 88.5 | 17 | 41.3 | 117 | 0.00 | 85 | 0 |
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| 1905 | 63.7 | 62 | 82.5 | 56 | 44.9 | 83 | 0.01 | 74 | 0 |
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| 1904 | 63.8 | 59 | 76.3 | 103 | 51.2 | 12 | 1.75 | 9 | 0 |
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| 1903 | 59.1 | 110 | 74.2 | 110 | 45.2 | 79 | 0.90 | 20 | 1 |
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| 1902 | 60.4 | 96 | 82.5 | 56 | 38.3 | 129 | 0.01 | 74 | 0 |
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| 1901 | 62.4 | 75 | 79.1 | 81 | 45.6 | 71 | 0.25 | 50 | 0 |
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| 1900 | 57.8 | 118 | 72.2 | 118 | 43.4 | 101 | 2.09 | 6 | 0 |
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| 1899 | 64.5 | 52 | 85.7 | 27 | 43.3 | 102 | 0.00 | 85 | 0 |
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| 1898 | 55.2 | 125 | 64.6 | 128 | 46.7 | 61 | 1.12 | 18 | 1 |
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| 1897 | 60.8 | 90 | 76.9 | 96 | 44.6 | 89 | 0.00 | 85 | 0 |
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| 1896 | 64.1 | 57 | 82.6 | 55 | 45.6 | 71 | trace | 76 | 0 |
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| 1895 | 62.8 | 70 | 81.8 | 62 | 43.8 | 97 | 0.00 | 85 | 0 |
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| 1894 | 62 | 76 | 78.5 | 83 | 45.5 | 77 | 0.04 | 65 | 0 |
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| 1893 | 54.9 | 126 | 67.7 | 126 | 42 | 112 | 0.35 | 44 | 0 |
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