Every January in Manchester, NH from 1886 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 | 22.4 | 44 | 30.5 | 48 | 14.4 | 37 | 1.78 | 70 | 0 |
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| 2025 | 24.3 | 29 | 33 | 36 | 15.6 | 27 | 1.53 | 74 | 0 |
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| 2024 | 30.3 | 9 | 36.9 | 12 | 23.6 | 7 | 5.50 | 7 | 0 |
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| 2023 | 34.7 | 1 | 41.4 | 1 | 28 | 1 | 5.26 | 8 | 0 |
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| 2022 | 23 | 40 | 32.5 | 39 | 13.5 | 41 | 2.09 | 60 | 0 |
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| 2021 | 29.1 | 12 | 35.8 | 20 | 22.3 | 10 | 2.24 | 56 | 0 |
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| 2020 | 31.8 | 5 | 39.6 | 5 | 24 | 5 | 1.99 | 65 | 0 |
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| 2019 | 25.1 | 23 | 33.2 | 32 | 17.1 | 22 | 3.71 | 19 | 0 |
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| 2018 | 25 | 25 | 34.1 | 26 | 15.9 | 26 | 2.41 | 51 | 0 |
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| 2017 | 31.2 | 7 | 38.3 | 7 | 24.1 | 4 | 1.46 | 76 | 1 |
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| 2016 | 29.4 | 10 | 36.9 | 12 | 21.9 | 11 | 1.15 | 79 | 0 |
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| 2015 | 21.5 | 48 | 30.1 | 51 | 13 | 44 | 2.31 | 53 | 0 |
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| 2014 | 23.5 | 36 | 32 | 41 | 15 | 30 | 2.05 | 63 | 0 |
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| 2013 | 27.2 | 19 | 36.2 | 18 | 18.2 | 19 | 1.27 | 77 | 2 |
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| 2012 | 29 | 14 | 36.6 | 15 | 21.3 | 12 | 2.09 | 60 | 0 |
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| 2011 | 21.8 | 46 | 30 | 52 | 13.5 | 41 | 2.81 | 41 | 1 |
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| 2010 | 25.8 | 21 | 33.5 | 29 | 18 | 20 | 2.23 | 57 | 1 |
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| 2009 | 19.3 | 54 | 28.5 | 55 | 10.2 | 53 | 2.84 | 40 | 0 |
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| 2008 | 27.7 | 17 | 36.3 | 17 | 19 | 17 | 2.09 | 60 | 0 |
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| 2007 | 28.3 | 16 | 36 | 19 | 20.5 | 15 | 2.91 | 39 | 0 |
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| 2006 | 31.9 | 4 | 40.6 | 2 | 23.2 | 8 | 3.65 | 20 | 0 |
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| 2005 | 22.5 | 42 | 30.2 | 50 | 14.8 | 32 | 2.92 | 38 | 0 |
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| 2004 | 16.3 | 58 | 23.3 | 64 | 9.4 | 57 | 0.75 | 81 | 0 |
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| 2003 | 17.9 | 56 | 26.8 | 61 | 9.6 | 55 | 1.72 | 71 | 3 |
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| 2002 | 32.3 | 3 | 39.6 | 5 | 25 | 3 | 2.32 | 52 | 0 |
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| 2001 | 23.3 | 38 | 33.5 | 29 | 13 | 44 | 1.88 | 69 | 0 |
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| 2000 | 23.8 | 34 | 33 | 36 | 14.7 | 34 | 2.48 | 47 | 0 |
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| 1999 | 24.1 | 31 | 33.4 | 31 | 14.8 | 32 | 4.46 | 14 | 0 |
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| 1998 | | | | | | | 4.82 | 10 | 31 |
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| 1997 | | | | | | | 3.62 | 22 | 31 |
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| 1972 | 23 | 40 | 34.6 | 22 | 11.3 | 49 | 1.50 | 75 | 0 |
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| 1971 | 16.1 | 59 | 28.2 | 57 | 4 | 65 | 1.71 | 72 | 0 |
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| 1970 | 15.6 | 62 | 26.3 | 62 | 4.9 | 60 | 0.60 | 82 | 0 |
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| 1969 | 22.5 | 42 | 33.1 | 34 | 12 | 46 | 1.20 | 78 | 0 |
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| 1968 | 15.8 | 61 | 27.8 | 58 | 4.1 | 64 | 1.56 | 73 | 1 |
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| 1967 | 27.6 | 18 | 36.6 | 15 | 18.5 | 18 | | | 0 |
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| 1963 | | | | | | | 2.58 | 45 | 31 |
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| 1962 | | | | | | | 2.21 | 58 | 31 |
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| 1961 | | | | | | | 2.26 | 55 | 31 |
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| 1960 | | | | | | | 2.95 | 36 | 31 |
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| 1959 | | | | | | | 3.02 | 35 | 31 |
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| 1955 | 23.6 | 35 | 31.6 | 43 | 15.6 | 27 | 0.95 | 80 | 0 |
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| 1954 | 19.9 | 52 | 29.8 | 53 | 10.1 | 54 | 3.09 | 32 | 0 |
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| 1953 | 29.1 | 12 | 37.9 | 9 | 20.4 | 16 | 5.98 | 4 | 0 |
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| 1952 | 25.9 | 20 | 35.3 | 21 | 16.5 | 23 | 5.52 | 6 | 0 |
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| 1949 | 29.3 | 11 | 38 | 8 | 20.6 | 14 | 3.40 | 27 | 0 |
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| 1948 | 15.9 | 60 | 27.3 | 60 | 4.5 | 62 | 3.08 | 33 | 0 |
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| 1947 | 24.5 | 28 | 34.3 | 24 | 14.7 | 34 | 3.56 | 24 | 0 |
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| 1946 | 20.9 | 50 | 31.2 | 46 | 10.7 | 50 | 3.60 | 23 | 1 |
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| 1945 | 16.6 | 57 | 27.7 | 59 | 6.5 | 59 | 4.54 | 13 | 3 |
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| 1944 | 25 | 25 | 34 | 27 | 16.2 | 24 | 2.04 | 64 | 2 |
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| 1943 | 21.3 | 49 | 30.4 | 49 | 11.9 | 47 | 1.90 | 68 | 2 |
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| 1942 | 24.1 | 31 | 33.9 | 28 | 14.4 | 37 | 3.07 | 34 | 0 |
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| 1941 | 22.4 | 44 | 31.5 | 44 | 13.4 | 43 | 2.93 | 37 | 0 |
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| 1940 | 19.6 | 53 | 28.7 | 54 | 10.5 | 51 | 2.57 | 46 | 0 |
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| 1939 | 23.4 | 37 | 32.4 | 40 | 14.5 | 36 | 2.60 | 43 | 0 |
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| 1938 | 21.8 | 46 | 33 | 36 | 10.5 | 51 | 3.43 | 26 | 0 |
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| 1937 | 31.7 | 6 | 40 | 3 | 23 | 9 | 4.63 | 12 | 2 |
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| 1936 | 23.3 | 38 | 31.4 | 45 | 15.2 | 29 | 7.15 | 1 | 0 |
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| 1935 | 18.6 | 55 | 28.3 | 56 | 9.4 | 57 | 6.00 | 3 | 2 |
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| 1934 | 25.4 | 22 | 33.2 | 32 | 17.5 | 21 | | | 2 |
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| 1933 | 32.8 | 2 | 39.8 | 4 | 25.1 | 2 | 3.36 | 29 | 3 |
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| 1932 | 30.5 | 8 | 37.3 | 10 | 23.8 | 6 | 4.77 | 11 | 0 |
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| 1931 | 20.2 | 51 | 30.8 | 47 | 9.6 | 55 | 2.43 | 48 | 0 |
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| 1930 | 24 | 33 | 33.1 | 34 | 15 | 30 | 2.43 | 48 | 2 |
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| 1929 | | | | | | | 3.73 | 18 | 31 |
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| 1914 | | | | | | | 1.92 | 67 | 31 |
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| 1913 | | | | | | | 1.97 | 66 | 31 |
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| 1912 | | | | | | | 2.79 | 42 | 31 |
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| 1911 | | | | | | | 2.15 | 59 | 31 |
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| 1910 | | | | | | | 3.94 | 16 | 31 |
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| 1909 | | | | | | | 3.86 | 17 | 31 |
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| 1908 | | | | | | | 2.27 | 54 | 31 |
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| 1907 | | | | | | | 3.34 | 30 | 31 |
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| 1906 | | | | | | | 2.42 | 50 | 31 |
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| 1905 | | | | | | | 4.07 | 15 | 31 |
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| 1904 | | | | | | | 3.44 | 25 | 31 |
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| 1903 | | | | | | | 3.39 | 28 | 31 |
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| 1893 | 13.6 | 63 | 23.7 | 63 | 4.6 | 61 | 2.59 | 44 | 2 |
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| 1892 | 24.3 | 29 | 34.4 | 23 | 14.3 | 39 | | | 0 |
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| 1891 | 25.1 | 23 | 34.2 | 25 | 16.1 | 25 | 7.06 | 2 | 0 |
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| 1890 | 24.9 | 27 | 36.8 | 14 | 14.3 | 39 | 3.65 | 20 | 3 |
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| 1889 | 28.9 | 15 | 37.2 | 11 | 20.7 | 13 | 3.24 | 31 | 0 |
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| 1888 | 12.7 | 64 | 21.7 | 65 | 4.2 | 63 | 4.85 | 9 | 3 |
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| 1887 | | | | | | | | | 12 |
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| 1886 | | | 31.9 | 42 | 11.6 | 48 | 5.82 | 5 | 5 |
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