Every December in Poughkeepsie, NY from 1931 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 | 27.7 | 73 | 36.6 | 68 | 18.7 | 76 | 2.93 | 56 | 0 |
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| 2024 | 31.3 | 43 | 40.1 | 41 | 22.5 | 43 | 4.24 | 18 | 0 |
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| 2023 | 38.4 | 2 | 46.5 | 4 | 30.3 | 2 | 6.90 | 3 | 0 |
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| 2022 | 33 | 26 | 42.3 | 23 | 23.6 | 32 | 4.29 | 16 | 0 |
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| 2021 | 37.5 | 4 | 46.1 | 6 | 29 | 4 | 1.81 | 81 | 0 |
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| 2020 | 33.2 | 24 | 42.7 | 20 | 23.7 | 31 | 3.21 | 44 | 0 |
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| 2019 | 31.3 | 43 | 39.3 | 49 | 23.4 | 34 | 4.38 | 15 | 0 |
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| 2018 | 33.7 | 23 | 42 | 26 | 25.4 | 22 | 4.05 | 24 | 0 |
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| 2017 | 27.8 | 71 | 35.8 | 72 | 19.8 | 70 | 1.56 | 83 | 0 |
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| 2016 | 31.2 | 48 | 39.7 | 48 | 22.7 | 41 | 2.60 | 66 | 0 |
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| 2015 | 44.3 | 1 | 52.4 | 1 | 36.2 | 1 | 3.90 | 27 | 0 |
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| 2014 | 35.7 | 10 | 42.5 | 21 | 28.8 | 5 | 3.00 | 51 | 0 |
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| 2013 | 31.4 | 39 | 40.3 | 40 | 22.5 | 43 | 3.33 | 39 | 0 |
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| 2012 | 35.6 | 11 | 43.7 | 15 | 27.5 | 8 | 4.22 | 19 | 0 |
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| 2011 | 37.1 | 5 | 47.3 | 2 | 27 | 10 | 4.39 | 14 | 0 |
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| 2010 | 28.3 | 68 | 36.5 | 69 | 20 | 67 | 2.52 | 67 | 0 |
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| 2009 | 29.3 | 60 | 37.2 | 64 | 21.4 | 54 | 3.75 | 30 | 0 |
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| 2008 | 31.3 | 43 | 40.7 | 33 | 21.9 | 50 | 5.73 | 6 | 0 |
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| 2007 | 30.4 | 49 | 37.7 | 57 | 23.1 | 38 | 4.91 | 10 | 0 |
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| 2006 | 37.6 | 3 | 46.7 | 3 | 28.5 | 6 | 1.82 | 80 | 0 |
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| 2005 | 27.3 | 74 | 35.8 | 72 | 18.9 | 75 | 3.57 | 33 | 0 |
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| 2004 | 31.4 | 39 | 40.7 | 33 | 22.2 | 48 | 3.48 | 37 | 0 |
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| 2003 | 31.9 | 32 | 40.7 | 33 | 23.1 | 38 | 4.01 | 26 | 0 |
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| 2002 | 28.8 | 62 | 37.1 | 65 | 20.4 | 63 | 2.94 | 55 | 0 |
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| 2001 | 35.6 | 11 | 45.7 | 9 | 25.5 | 21 | 1.95 | 78 | 0 |
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| 2000 | 24.4 | 85 | 33.3 | 89 | 15.5 | 85 | 3.18 | 45 | 1 |
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| 1999 | 31.7 | 37 | 40.9 | 29 | 22.5 | 43 | 2.08 | 74 | 0 |
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| 1998 | 36.6 | 7 | 46.1 | 6 | 27.1 | 9 | 1.06 | 88 | 0 |
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| 1997 | 31.6 | 38 | 39.8 | 46 | 23.5 | 33 | 3.50 | 35 | 0 |
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| 1996 | 36.5 | 8 | 43.4 | 16 | 29.6 | 3 | 7.09 | 2 | 1 |
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| 1995 | 25.7 | 83 | 35.2 | 78 | 15.9 | 84 | 2.62 | 65 | 1 |
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| 1994 | 34.3 | 19 | 44.2 | 11 | 24.3 | 26 | 3.45 | 38 | 0 |
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| 1993 | 30.2 | 53 | 38.5 | 55 | 21.9 | 50 | 4.10 | 23 | 0 |
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| 1992 | 30.3 | 52 | 38 | 56 | 22.5 | 43 | 4.16 | 20 | 0 |
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| 1991 | 31.9 | 32 | 40.5 | 37 | 23.3 | 36 | 3.03 | 50 | 0 |
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| 1990 | 34.9 | 14 | 44.2 | 11 | 25.6 | 20 | 5.00 | 9 | 0 |
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| 1989 | 16 | 94 | 25.8 | 94 | 6.2 | 95 | 1.01 | 89 | 0 |
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| 1988 | 28.4 | 66 | 37.6 | 58 | 19.1 | 74 | 0.88 | 91 | 0 |
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| 1987 | 31.4 | 39 | 40 | 44 | 22.9 | 40 | 1.50 | 85 | 0 |
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| 1986 | 31.9 | 32 | 39.8 | 46 | 24 | 28 | 3.28 | 42 | 0 |
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| 1985 | 27.3 | 74 | 35 | 79 | 19.6 | 72 | 2.23 | 70 | 0 |
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| 1984 | 34.9 | 14 | 44 | 13 | 25.9 | 15 | 2.65 | 63 | 0 |
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| 1983 | 27.9 | 70 | 35.3 | 76 | 20.5 | 62 | 6.60 | 4 | 0 |
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| 1982 | 34.9 | 14 | 43.9 | 14 | 25.8 | 16 | 0.93 | 90 | 0 |
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| 1981 | 28.6 | 63 | 36.2 | 70 | 21 | 58 | 3.61 | 32 | 0 |
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| 1980 | 24.9 | 84 | 35.6 | 75 | 14.2 | 88 | 0.57 | 93 | 0 |
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| 1979 | 34 | 20 | 43.1 | 17 | 24.8 | 24 | 1.96 | 77 | 0 |
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| 1978 | 31.4 | 39 | 40.1 | 41 | 22.7 | 41 | 2.66 | 62 | 0 |
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| 1977 | 28.5 | 65 | 35.9 | 71 | 21.1 | 57 | 3.54 | 34 | 0 |
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| 1976 | 24.2 | 86 | 34.6 | 83 | 13.7 | 91 | 2.09 | 73 | 0 |
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| 1975 | 28.6 | 63 | 37.1 | 65 | 20.2 | 64 | 2.98 | 53 | 0 |
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| 1974 | 33.2 | 24 | 40.6 | 36 | 25.7 | 17 | 3.08 | 49 | 0 |
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| 1973 | 32.8 | 28 | 42.1 | 25 | 23.4 | 34 | 8.65 | 1 | 0 |
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| 1972 | 32.6 | 31 | 38.8 | 51 | 26.4 | 12 | 5.33 | 8 | 0 |
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| 1971 | 34 | 20 | 42.3 | 23 | 25.7 | 17 | 2.70 | 60 | 0 |
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| 1970 | 26.5 | 78 | 35.3 | 76 | 17.7 | 81 | 3.10 | 47 | 0 |
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| 1969 | 25.8 | 82 | 33.9 | 86 | 17.8 | 79 | 4.15 | 22 | 0 |
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| 1968 | 26.2 | 80 | 34.6 | 83 | 17.8 | 79 | 3.87 | 28 | 0 |
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| 1967 | 31.3 | 43 | 40.8 | 31 | 21.9 | 50 | 4.16 | 20 | 0 |
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| 1966 | 29.4 | 58 | 38.8 | 51 | 19.9 | 68 | 2.23 | 70 | 0 |
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| 1965 | 32.7 | 29 | 41.7 | 28 | 23.8 | 30 | 2.08 | 74 | 0 |
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| 1964 | 29.1 | 61 | 37.4 | 60 | 20.7 | 60 | 2.82 | 59 | 0 |
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| 1963 | 22.9 | 91 | 31.6 | 93 | 14.2 | 88 | 2.22 | 72 | 0 |
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| 1962 | 23.8 | 87 | 34.9 | 80 | 12.7 | 93 | 2.99 | 52 | 0 |
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| 1961 | 29.4 | 58 | 37.4 | 60 | 21.3 | 55 | 2.69 | 61 | 0 |
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| 1960 | 22.6 | 92 | 34.4 | 85 | 10.8 | 94 | 1.63 | 82 | 0 |
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| 1959 | 31.9 | 32 | 40.5 | 37 | 23.2 | 37 | 2.93 | 56 | 1 |
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| 1958 | 22.6 | 92 | 32.3 | 91 | 13 | 92 | 0.62 | 92 | 0 |
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| 1957 | 34.9 | 14 | 43.1 | 17 | 26.6 | 11 | 5.71 | 7 | 0 |
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| 1956 | 33.8 | 22 | 41.9 | 27 | 25.7 | 17 | 4.25 | 17 | 0 |
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| 1955 | 23.5 | 90 | 31.9 | 92 | 15.1 | 86 | 0.54 | 94 | 0 |
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| 1954 | 30.1 | 54 | 38.7 | 53 | 21.5 | 53 | 3.27 | 43 | 0 |
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| 1953 | 35 | 13 | 45.8 | 8 | 24.2 | 27 | 4.64 | 12 | 0 |
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| 1952 | 32.7 | 29 | 40.9 | 29 | 24.5 | 25 | 3.69 | 31 | 0 |
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| 1951 | 30.4 | 49 | 40.1 | 41 | 20.1 | 65 | 3.50 | 35 | 2 |
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| 1950 | 26.5 | 78 | 35.8 | 72 | 17.3 | 83 | 3.09 | 48 | 0 |
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| 1949 | 30.4 | 49 | 40.8 | 31 | 19.9 | 68 | 4.03 | 25 | 0 |
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| 1948 | 29.7 | 56 | 40 | 44 | 19.4 | 73 | 6.42 | 5 | 0 |
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| 1947 | 23.7 | 88 | 33 | 90 | 14.5 | 87 | 3.18 | 45 | 0 |
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| 1946 | 31.8 | 36 | 42.8 | 19 | 20.8 | 59 | 2.00 | 76 | 0 |
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| 1945 | 26.1 | 81 | 34.9 | 80 | 17.4 | 82 | 3.81 | 29 | 0 |
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| 1944 | 23.7 | 88 | 33.5 | 88 | 13.9 | 90 | 2.98 | 53 | 0 |
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| 1943 | 27.8 | 71 | 37.6 | 58 | 18 | 77 | 0.51 | 95 | 0 |
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| 1942 | 27.2 | 76 | 34.7 | 82 | 19.7 | 71 | 4.59 | 13 | 0 |
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| 1941 | 32.9 | 27 | 40.5 | 37 | 25.3 | 23 | 2.64 | 64 | 0 |
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| 1940 | 34.4 | 18 | 42.5 | 21 | 26.4 | 12 | 2.88 | 58 | 0 |
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| 1939 | 29.9 | 55 | 37.3 | 62 | 22.3 | 47 | 1.22 | 86 | 2 |
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| 1938 | 31.3 | 43 | 38.7 | 53 | 23.9 | 29 | 2.51 | 68 | 0 |
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| 1937 | 29.7 | 56 | 37.3 | 62 | 22.1 | 49 | 2.32 | 69 | 0 |
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| 1936 | 37 | 6 | 45.5 | 10 | 28.4 | 7 | 4.66 | 11 | 0 |
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| 1935 | 27.1 | 77 | 33.8 | 87 | 20.1 | 65 | 1.09 | 87 | 1 |
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| 1934 | 28.4 | 66 | 36.7 | 67 | 20.6 | 61 | 1.95 | 78 | 1 |
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| 1933 | 28.1 | 69 | 39 | 50 | 17.9 | 78 | 3.31 | 40 | 2 |
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| 1932 | | | | | 21.2 | 56 | 1.53 | 84 | 4 |
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| 1931 | 36 | 9 | 46.4 | 5 | 26 | 14 | 3.29 | 41 | 2 |
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