Every July in Hayward, WI 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 | 71.8 | 5 | 83.6 | 13 | 60 | 2 | | | 2 |
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| 2025 | 67.4 | 32 | 79.9 | 33 | 54.9 | 21 | 2.96 | 76 | 0 |
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| 2024 | 66.4 | 36 | 79.7 | 35 | 53.1 | 42 | 2.92 | 77 | 0 |
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| 2023 | 65.9 | 39 | 80 | 32 | 51.8 | 47 | 2.39 | 91 | 2 |
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| 2022 | 67.5 | 31 | 80.6 | 29 | 54.3 | 32 | 5.05 | 33 | 0 |
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| 2021 | 67.6 | 29 | 81.8 | 22 | 53.3 | 41 | 5.03 | 34 | 2 |
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| 2020 | 69.2 | 15 | 81.7 | 23 | 56.8 | 14 | 7.34 | 11 | 0 |
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| 2019 | 69.1 | 17 | 81.3 | 27 | 56.9 | 12 | 4.16 | 49 | 0 |
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| 2018 | 67.6 | 29 | 80.6 | 29 | 54.5 | 28 | 2.50 | 89 | 0 |
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| 2017 | 65.9 | 39 | 78.8 | 43 | 53.1 | 42 | 5.30 | 25 | 0 |
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| 2016 | 68.2 | 26 | 79.6 | 37 | 56.8 | 14 | 9.72 | 4 | 0 |
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| 2015 | 67.4 | 32 | 79.3 | 41 | 55.4 | 20 | 3.95 | 55 | 0 |
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| 2014 | 65 | 48 | 76.1 | 52 | 54 | 36 | 2.49 | 90 | 0 |
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| 2013 | 67.2 | 34 | 79.7 | 35 | 54.6 | 26 | 1.08 | 105 | 0 |
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| 2012 | 71.3 | 6 | 84.9 | 7 | 57.7 | 8 | 3.42 | 65 | 0 |
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| 2011 | 70.7 | 10 | 83.3 | 14 | 58.2 | 5 | 5.07 | 31 | 0 |
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| 2010 | 69.1 | 17 | 81.2 | 28 | 56.9 | 12 | 5.14 | 29 | 1 |
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| 2009 | 61.1 | 51 | 74.3 | 53 | 47.8 | 53 | 2.52 | 86 | 0 |
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| 2008 | 68.9 | 21 | 82.8 | 15 | 54.9 | 21 | 3.63 | 60 | 0 |
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| 2007 | 70.2 | 11 | 84.5 | 8 | 55.9 | 18 | 2.17 | 93 | 0 |
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| 2006 | 75.6 | 1 | 91.7 | 1 | 59.5 | 3 | 4.28 | 45 | 0 |
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| 2005 | 71.3 | 6 | 85.2 | 6 | 57.3 | 10 | 0.65 | 108 | 0 |
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| 2004 | 66 | 38 | 78.6 | 44 | 53.4 | 40 | 3.79 | 57 | 0 |
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| 2003 | 64.6 | 49 | 77.7 | 45 | 51.5 | 49 | 3.85 | 56 | 0 |
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| 2002 | 69.2 | 15 | 81.4 | 25 | 57.1 | 11 | 4.14 | 50 | 0 |
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| 2001 | 66.4 | 36 | 79.8 | 34 | 53 | 44 | 4.25 | 47 | 0 |
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| 2000 | 65.5 | 42 | 77.1 | 49 | 53.8 | 37 | 6.04 | 18 | 0 |
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| 1999 | 68 | 27 | 81.4 | 25 | 54.5 | 28 | 6.96 | 14 | 3 |
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| 1998 | 65.7 | 41 | 79.5 | 39 | 51.8 | 47 | 1.75 | 100 | 0 |
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| 1997 | | | | | | | 4.27 | 46 | 31 |
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| 1996 | | | | | | | 7.98 | 9 | 31 |
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| 1995 | | | | | | | 4.11 | 51 | 31 |
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| 1994 | | | | | | | 3.96 | 53 | 31 |
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| 1993 | | | | | | | 3.22 | 70 | 31 |
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| 1992 | | | | | | | 6.30 | 15 | 31 |
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| 1991 | | | | | | | 5.84 | 19 | 31 |
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| 1990 | | | | | | | 1.93 | 96 | 31 |
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| 1989 | | | | | | | 2.04 | 95 | 31 |
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| 1988 | | | | | | | 2.51 | 88 | 31 |
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| 1986 | | | | | | | 5.50 | 22 | 31 |
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| 1985 | | | | | | | 4.96 | 36 | 31 |
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| 1984 | | | | | | | 2.79 | 80 | 31 |
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| 1983 | | | | | | | 5.62 | 21 | 31 |
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| 1982 | | | | | | | 3.74 | 58 | 31 |
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| 1981 | | | | | | | 3.96 | 53 | 31 |
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| 1980 | | | | | | | 3.68 | 59 | 31 |
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| 1979 | | | | | | | 4.66 | 41 | 31 |
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| 1978 | | | | | | | 7.28 | 12 | 31 |
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| 1977 | | | | | | | 8.13 | 7 | 31 |
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| 1976 | | | | | | | 2.18 | 92 | 31 |
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| 1975 | | | | | | | 1.52 | 102 | 31 |
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| 1974 | | | | | | | 2.71 | 82 | 31 |
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| 1973 | | | | | | | 2.63 | 84 | 31 |
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| 1972 | 65.5 | 42 | 77.6 | 46 | 53.5 | 38 | 8.33 | 6 | 0 |
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| 1971 | | | | | | | 3.12 | 73 | 31 |
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| 1970 | | | | | | | 4.63 | 42 | 31 |
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| 1969 | | | | | | | 5.15 | 28 | 31 |
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| 1968 | | | | | | | 5.16 | 27 | 31 |
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| 1967 | | | | | | | 2.79 | 80 | 31 |
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| 1966 | | | | | | | 7.67 | 10 | 31 |
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| 1965 | | | | | | | 4.44 | 43 | 31 |
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| 1964 | | | | | | | 3.26 | 68 | 31 |
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| 1963 | | | | | | | 3.57 | 61 | 31 |
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| 1962 | | | | | | | 4.17 | 48 | 31 |
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| 1961 | | | | | | | 2.16 | 94 | 31 |
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| 1960 | | | | | | | 3.21 | 71 | 31 |
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| 1959 | | | | | | | 3.30 | 67 | 31 |
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| 1958 | | | | | | | 9.76 | 3 | 31 |
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| 1957 | | | | | | | 3.52 | 64 | 31 |
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| 1956 | | | | | | | 3.53 | 63 | 31 |
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| 1955 | | | | | | | 10.51 | 2 | 31 |
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| 1954 | | | | | | | 5.06 | 32 | 31 |
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| 1953 | | | | | | | 3.23 | 69 | 31 |
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| 1952 | | | | | | | 7.10 | 13 | 31 |
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| 1951 | | | | | | | 6.30 | 15 | 31 |
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| 1950 | | | | | | | 4.82 | 40 | 31 |
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| 1949 | | | | | | | 11.41 | 1 | 31 |
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| 1947 | | | | | | | 1.04 | 106 | 31 |
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| 1946 | | | | | | | 4.31 | 44 | 31 |
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| 1945 | | | | | | | 5.26 | 26 | 31 |
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| 1944 | | | | | | | 1.78 | 98 | 31 |
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| 1943 | | | | | | | 2.69 | 83 | 31 |
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| 1942 | | | | | | | 4.89 | 39 | 31 |
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| 1940 | 67.9 | 28 | 81.7 | 23 | 54.1 | 34 | | | 0 |
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| 1939 | | | | | | | 2.89 | 79 | 6 |
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| 1938 | | | 77 | 50 | | | | | 18 |
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| 1937 | | | | | | | 5.09 | 30 | 23 |
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| 1936 | 73.1 | 2 | 90.6 | 2 | 56.4 | 16 | | | 3 |
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| 1935 | | | | | 61.5 | 1 | 5.77 | 20 | 7 |
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| 1934 | 68.7 | 22 | 83.7 | 12 | 54.1 | 34 | 1.90 | 97 | 3 |
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| 1933 | | | | | | | 2.91 | 78 | 31 |
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| 1923 | 69.1 | 17 | 82.8 | 15 | 54.7 | 25 | 5.46 | 23 | 1 |
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| 1922 | 65.2 | 46 | 79.1 | 42 | 51.3 | 50 | 3.34 | 66 | 1 |
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| 1921 | 73.1 | 2 | 87.7 | 3 | 57.8 | 7 | 8.00 | 8 | 2 |
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| 1919 | 69.1 | 17 | 82.4 | 19 | 55.7 | 19 | 5.03 | 34 | 0 |
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| 1918 | | | | | 52.1 | 46 | | | 5 |
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| 1917 | 68.6 | 23 | 82.2 | 20 | 54.9 | 21 | 4.90 | 38 | 0 |
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| 1916 | 71.1 | 8 | 84.2 | 11 | 58.2 | 5 | 0.97 | 107 | 1 |
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| 1915 | 63.1 | 50 | 76.8 | 51 | 49.4 | 52 | 3.08 | 75 | 0 |
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| 1914 | | | | | | | | | 7 |
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| 1913 | | | | | | | | | 10 |
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| 1912 | | | | | | | 2.53 | 85 | 4 |
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| 1911 | | | | | | | 6.09 | 17 | 10 |
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| 1910 | 69.3 | 13 | 84.4 | 9 | 54.2 | 33 | 3.12 | 73 | 1 |
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| 1909 | | | | | | | 3.55 | 62 | 10 |
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| 1907 | | | | | | | 2.52 | 86 | 6 |
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| 1906 | 65.4 | 45 | 79.5 | 39 | 51.2 | 51 | 1.53 | 101 | 0 |
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| 1905 | 65.5 | 42 | 77.4 | 48 | 53.5 | 38 | 4.91 | 37 | 1 |
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| 1904 | | | | | | | | | 19 |
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| 1903 | 65.2 | 46 | 77.5 | 47 | 52.5 | 45 | | | 3 |
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| 1902 | 69.3 | 13 | 82.5 | 18 | 56.2 | 17 | 5.36 | 24 | 1 |
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| 1901 | 72.4 | 4 | 86.4 | 4 | 58.6 | 4 | 4.00 | 52 | 2 |
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| 1900 | 67.1 | 35 | 79.6 | 37 | 54.5 | 28 | 8.95 | 5 | 0 |
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| 1899 | 68.4 | 25 | 81.9 | 21 | 54.9 | 21 | 1.78 | 98 | 0 |
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| 1898 | 70.8 | 9 | 84.3 | 10 | 57.4 | 9 | 1.49 | 103 | 0 |
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| 1896 | | | 80.3 | 31 | | | 1.40 | 104 | 6 |
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| 1895 | | | | | | | 3.16 | 72 | 17 |
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| 1894 | 70.2 | 11 | 85.8 | 5 | 54.6 | 26 | 0.56 | 109 | 0 |
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| 1893 | 68.5 | 24 | 82.7 | 17 | 54.4 | 31 | | | 0 |
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