Every October in Hayward, WI from 1893 to 2025, 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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| 2025 | 50.5 | 4 | 60.8 | 11 | 40.3 | 3 | | | 2 |
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| 2024 | 49.2 | 7 | 63.5 | 4 | 34.9 | 25 | 2.09 | 67 | 1 |
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| 2023 | 46.1 | 22 | 55.1 | 36 | 37.1 | 11 | 3.25 | 34 | 0 |
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| 2022 | 45.7 | 25 | 57.9 | 24 | 33.5 | 34 | 1.09 | 97 | 0 |
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| 2021 | 50.5 | 4 | 61.4 | 8 | 39.7 | 4 | 1.20 | 94 | 0 |
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| 2020 | 38.2 | 49 | 47.2 | 53 | 29.2 | 54 | 1.92 | 72 | 0 |
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| 2019 | 42.5 | 41 | 50.8 | 51 | 34.2 | 32 | 4.06 | 19 | 0 |
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| 2018 | 41 | 46 | 49.4 | 52 | 32.7 | 38 | 5.17 | 9 | 0 |
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| 2017 | 47.2 | 16 | 56.8 | 28 | 37.6 | 9 | 4.83 | 11 | 0 |
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| 2016 | 48.8 | 9 | 58.2 | 22 | 39.3 | 5 | 3.65 | 27 | 0 |
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| 2015 | 45.7 | 25 | 56.9 | 27 | 34.5 | 27 | 3.95 | 21 | 0 |
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| 2014 | 44.3 | 31 | 54.1 | 40 | 34.6 | 26 | 2.33 | 58 | 0 |
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| 2013 | 44 | 33 | 53.9 | 41 | 34.2 | 32 | 4.03 | 20 | 0 |
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| 2012 | 41.3 | 44 | 52.5 | 48 | 30.1 | 52 | 1.92 | 72 | 0 |
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| 2011 | 48.8 | 9 | 60.8 | 11 | 36.9 | 13 | 1.26 | 91 | 0 |
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| 2010 | 45.9 | 23 | 59.7 | 16 | 32.1 | 43 | 4.22 | 17 | 0 |
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| 2009 | 39.8 | 47 | 47 | 54 | 32.6 | 39 | 4.48 | 13 | 0 |
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| 2008 | 47.5 | 14 | 58.5 | 21 | 36.5 | 14 | 3.08 | 39 | 0 |
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| 2007 | 51.9 | 3 | 61.7 | 7 | 42.1 | 2 | 3.57 | 28 | 0 |
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| 2006 | 42 | 43 | 53.6 | 42 | 30.3 | 50 | 1.39 | 84 | 0 |
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| 2005 | 49.2 | 7 | 61 | 10 | 37.4 | 10 | 6.57 | 2 | 0 |
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| 2004 | 47.5 | 14 | 58.1 | 23 | 37 | 12 | 3.14 | 37 | 0 |
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| 2003 | 43.6 | 36 | 55.3 | 35 | 31.9 | 46 | 1.65 | 80 | 0 |
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| 2002 | 37.1 | 50 | 45.3 | 56 | 28.9 | 56 | 4.72 | 12 | 0 |
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| 2001 | 42.9 | 39 | 53.4 | 43 | 32.5 | 40 | 2.45 | 56 | 2 |
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| 2000 | 48.1 | 13 | 60.5 | 14 | 35.8 | 19 | 1.04 | 100 | 0 |
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| 1999 | 43 | 38 | 55 | 37 | 31.1 | 48 | 1.10 | 96 | 1 |
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| 1998 | 46.6 | 19 | 57.8 | 25 | 35.4 | 22 | 2.79 | 49 | 0 |
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| 1997 | | | | | | | 1.88 | 74 | 31 |
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| 1996 | | | | | | | 4.42 | 14 | 31 |
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| 1995 | | | | | | | 3.92 | 23 | 31 |
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| 1994 | | | | | | | 2.17 | 64 | 31 |
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| 1993 | | | | | | | 1.67 | 79 | 31 |
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| 1992 | | | | | | | 2.59 | 53 | 31 |
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| 1991 | | | | | | | 2.09 | 67 | 31 |
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| 1990 | | | | | | | 3.83 | 25 | 31 |
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| 1989 | | | | | | | 1.73 | 77 | 31 |
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| 1988 | | | | | | | 1.07 | 98 | 31 |
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| 1987 | | | | | | | 2.05 | 70 | 31 |
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| 1986 | | | | | | | 1.88 | 74 | 31 |
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| 1985 | | | | | | | 3.29 | 33 | 31 |
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| 1984 | | | | | | | 4.23 | 16 | 31 |
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| 1983 | | | | | | | 3.15 | 36 | 31 |
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| 1982 | | | | | | | 6.73 | 1 | 31 |
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| 1981 | | | | | | | 4.30 | 15 | 31 |
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| 1980 | | | | | | | 2.18 | 63 | 31 |
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| 1979 | | | | | | | 2.89 | 45 | 31 |
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| 1978 | | | | | | | 2.28 | 61 | 31 |
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| 1977 | | | | | | | 2.85 | 47 | 31 |
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| 1976 | | | | | | | 0.48 | 109 | 31 |
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| 1975 | | | | | | | 1.02 | 101 | 31 |
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| 1974 | | | | | | | 1.60 | 81 | 31 |
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| 1973 | | | | | | | 3.53 | 29 | 31 |
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| 1972 | | | | | | | 3.06 | 42 | 31 |
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| 1971 | | | | | | | 4.20 | 18 | 31 |
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| 1970 | | | | | | | 5.25 | 7 | 7 |
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| 1969 | | | | | | | 3.08 | 39 | 31 |
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| 1968 | | | | | | | 5.83 | 4 | 31 |
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| 1967 | 44.1 | 32 | 56 | 32 | 32.3 | 41 | 2.30 | 60 | 0 |
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| 1966 | | | | | | | 2.66 | 52 | 31 |
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| 1965 | | | | | | | 1.30 | 89 | 31 |
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| 1964 | | | | | | | 0.81 | 104 | 31 |
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| 1963 | | | | | | | 1.33 | 86 | 31 |
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| 1962 | | | | | | | 2.13 | 66 | 31 |
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| 1961 | | | | | | | 2.54 | 54 | 31 |
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| 1960 | | | | | | | 1.83 | 76 | 31 |
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| 1959 | | | | | | | 2.70 | 51 | 31 |
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| 1958 | | | | | | | 1.24 | 93 | 31 |
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| 1957 | | | | | | | 1.33 | 86 | 31 |
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| 1956 | | | | | | | 2.22 | 62 | 31 |
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| 1955 | | | | | | | 2.95 | 44 | 31 |
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| 1954 | | | | | | | 5.48 | 6 | 31 |
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| 1952 | | | | | | | 0.28 | 111 | 31 |
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| 1951 | | | | | | | 2.15 | 65 | 31 |
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| 1950 | | | | | | | 3.44 | 31 | 31 |
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| 1949 | | | | | | | 2.01 | 71 | 31 |
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| 1947 | | | | | | | 1.07 | 98 | 31 |
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| 1946 | | | | | | | 3.95 | 21 | 31 |
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| 1945 | | | | | | | 0.73 | 107 | 31 |
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| 1944 | | | | | | | 0.78 | 106 | 31 |
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| 1943 | | | | | | | 1.14 | 95 | 31 |
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| 1942 | | | | | | | 1.41 | 83 | 31 |
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| 1940 | 48.4 | 11 | 60.8 | 11 | 36 | 18 | | | 0 |
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| 1939 | 45.8 | 24 | 56.8 | 28 | 34.5 | 27 | 1.27 | 90 | 2 |
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| 1938 | | | 63 | 5 | | | 3.09 | 38 | 7 |
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| 1936 | | | 51.7 | 49 | 29 | 55 | | | 4 |
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| 1935 | | | 55.9 | 33 | | | 2.83 | 48 | 7 |
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| 1934 | | | | | 35.8 | 19 | 2.76 | 50 | 11 |
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| 1933 | | | | | | | 3.30 | 32 | 25 |
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| 1932 | | | | | | | 1.26 | 91 | 31 |
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| 1923 | 46.6 | 19 | 62.8 | 6 | 30.3 | 50 | 0.87 | 103 | 0 |
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| 1922 | 52.8 | 2 | 67 | 2 | 38.5 | 6 | 0.59 | 108 | 0 |
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| 1921 | 50.1 | 6 | 63.8 | 3 | 36.1 | 17 | 2.47 | 55 | 1 |
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| 1920 | | | | | | | 1.36 | 85 | 11 |
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| 1919 | | | | | | | | | 10 |
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| 1918 | 46.5 | 21 | 58.6 | 20 | 34.4 | 30 | 2.31 | 59 | 1 |
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| 1917 | 36.1 | 51 | 45.6 | 55 | 26.7 | 58 | 1.70 | 78 | 0 |
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| 1916 | | | | | 32 | 45 | 3.24 | 35 | 5 |
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| 1915 | 47.1 | 18 | 59.3 | 18 | 35 | 23 | 1.02 | 101 | 1 |
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| 1914 | | | | | 38 | 7 | | | 4 |
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| 1913 | | | 59.5 | 17 | 30.5 | 49 | 2.06 | 69 | 4 |
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| 1911 | 42.6 | 40 | 52.6 | 47 | 32.1 | 43 | 3.70 | 26 | 2 |
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| 1910 | | | | | 36.5 | 14 | 0.80 | 105 | 6 |
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| 1909 | 43.6 | 36 | 54.3 | 39 | 33 | 37 | 3.87 | 24 | 1 |
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| 1908 | | | | | | | 2.88 | 46 | 12 |
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| 1907 | | | | | 28.7 | 57 | 0.47 | 110 | 7 |
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| 1906 | 43.9 | 35 | 53.3 | 44 | 34.4 | 30 | 3.51 | 30 | 1 |
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| 1905 | 42.4 | 42 | 53.1 | 45 | 31.8 | 47 | 3.07 | 41 | 3 |
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| 1904 | | | | | | | | | 18 |
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| 1903 | 45.1 | 30 | 57.8 | 25 | 33.1 | 36 | 4.95 | 10 | 1 |
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| 1902 | 45.4 | 29 | 56.8 | 28 | 33.5 | 34 | 2.40 | 57 | 2 |
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| 1901 | 47.2 | 16 | 60 | 15 | 34.5 | 27 | 1.33 | 86 | 1 |
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| 1900 | 56.5 | 1 | 67.6 | 1 | 45.4 | 1 | 5.57 | 5 | 0 |
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| 1899 | | | 61.2 | 9 | 35.7 | 21 | 6.53 | 3 | 4 |
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| 1898 | 45.6 | 27 | 56.2 | 31 | 35 | 23 | 5.19 | 8 | 0 |
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| 1897 | 48.2 | 12 | 59 | 19 | 38 | 7 | 3.06 | 42 | 3 |
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| 1896 | 41.3 | 44 | 53.1 | 45 | 29.5 | 53 | 1.51 | 82 | 0 |
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| 1895 | 38.9 | 48 | 51.2 | 50 | 26.6 | 59 | 0.26 | 112 | 0 |
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| 1894 | 45.5 | 28 | 54.6 | 38 | 36.4 | 16 | | | 0 |
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| 1893 | 44 | 33 | 55.6 | 34 | 32.3 | 41 | | | 0 |
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