Every February in Allentown, PA from 1912 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 | 27.8 | 74 | 36.4 | 69 | 19.2 | 80 | 1.22 | 104 | 0 |
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| 2025 | 31.1 | 42 | 39.1 | 47 | 23.1 | 37 | 2.47 | 62 | 0 |
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| 2024 | 35.2 | 15 | 45.1 | 12 | 25.3 | 21 | 2.33 | 72 | 0 |
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| 2023 | 36.4 | 9 | 47.7 | 2 | 25 | 23 | 1.05 | 108 | 0 |
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| 2022 | 32.4 | 30 | 44.4 | 16 | 20.5 | 68 | 3.98 | 23 | 0 |
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| 2021 | 28.9 | 65 | 35.9 | 75 | 21.9 | 52 | 5.21 | 6 | 0 |
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| 2020 | 38.6 | 2 | 47.5 | 3 | 29.7 | 2 | 2.97 | 43 | 0 |
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| 2019 | 34.3 | 19 | 42.5 | 21 | 26.1 | 12 | 2.92 | 44 | 0 |
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| 2018 | 37.9 | 4 | 47 | 6 | 28.8 | 3 | 5.50 | 4 | 0 |
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| 2017 | 39.2 | 1 | 50.3 | 1 | 28.2 | 5 | 1.70 | 92 | 0 |
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| 2016 | 34.1 | 20 | 43.8 | 18 | 24.3 | 30 | 5.86 | 2 | 0 |
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| 2015 | 18.9 | 94 | 29.3 | 94 | 8.6 | 101 | 1.83 | 91 | 0 |
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| 2014 | 25 | 85 | 34.5 | 83 | 15.5 | 93 | 4.45 | 15 | 0 |
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| 2013 | 30.5 | 47 | 38 | 54 | 22.9 | 41 | 2.07 | 82 | 0 |
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| 2012 | 36.6 | 7 | 46.4 | 10 | 26.8 | 8 | 1.11 | 106 | 0 |
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| 2011 | 31.2 | 41 | 41.3 | 28 | 21.1 | 63 | 3.53 | 30 | 0 |
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| 2010 | 29 | 64 | 36.1 | 73 | 21.8 | 56 | 4.18 | 21 | 0 |
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| 2009 | 32.1 | 31 | 42 | 23 | 22.2 | 48 | 0.78 | 110 | 0 |
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| 2008 | 31.3 | 40 | 39.8 | 41 | 22.9 | 41 | 7.62 | 1 | 0 |
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| 2007 | 23.9 | 89 | 31.7 | 89 | 16.2 | 92 | 1.98 | 85 | 0 |
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| 2006 | 31.8 | 35 | 41.2 | 29 | 22.4 | 47 | 2.37 | 67 | 0 |
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| 2005 | 31.7 | 37 | 40.7 | 32 | 22.6 | 45 | 2.72 | 51 | 0 |
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| 2004 | 30.6 | 45 | 40.2 | 38 | 20.9 | 66 | 2.53 | 59 | 0 |
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| 2003 | 25.8 | 81 | 33.4 | 87 | 18.1 | 86 | 3.10 | 40 | 0 |
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| 2002 | 36.1 | 11 | 47.5 | 3 | 24.7 | 26 | 0.55 | 111 | 0 |
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| 2001 | 31.4 | 38 | 39.8 | 41 | 23 | 39 | 2.37 | 67 | 0 |
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| 2000 | 31.1 | 42 | 40.3 | 35 | 21.9 | 52 | 1.89 | 90 | 0 |
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| 1999 | 33.4 | 25 | 43.1 | 20 | 23.6 | 33 | 2.67 | 52 | 0 |
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| 1998 | 38.6 | 2 | 46.9 | 8 | 30.2 | 1 | 3.85 | 24 | 0 |
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| 1997 | 35.6 | 13 | 44.7 | 13 | 26.4 | 9 | 1.32 | 102 | 0 |
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| 1996 | 29.7 | 56 | 37.5 | 56 | 22 | 50 | 2.11 | 79 | 0 |
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| 1995 | 28.3 | 69 | 37 | 64 | 19.6 | 76 | 2.52 | 60 | 0 |
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| 1994 | 25.6 | 83 | 35.7 | 76 | 15.4 | 95 | 3.14 | 39 | 0 |
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| 1993 | 26.9 | 79 | 36 | 74 | 17.7 | 88 | 2.81 | 47 | 0 |
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| 1992 | 33.8 | 22 | 41.9 | 24 | 25.8 | 15 | 1.49 | 98 | 0 |
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| 1991 | 35.9 | 12 | 45.4 | 11 | 26.4 | 9 | 1.14 | 105 | 0 |
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| 1990 | 36.3 | 10 | 47 | 6 | 25.5 | 18 | 2.38 | 66 | 0 |
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| 1989 | 30.4 | 49 | 38.6 | 52 | 22.2 | 48 | 2.18 | 76 | 0 |
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| 1988 | 29.7 | 56 | 37.5 | 56 | 21.9 | 52 | 3.28 | 32 | 0 |
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| 1987 | 29.1 | 61 | 37.8 | 55 | 20.5 | 68 | 1.11 | 106 | 0 |
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| 1986 | 28.1 | 70 | 34.2 | 84 | 22 | 50 | 4.29 | 17 | 0 |
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| 1985 | 32.1 | 31 | 40.8 | 31 | 23.5 | 34 | 2.28 | 73 | 0 |
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| 1984 | 36.7 | 6 | 44.7 | 13 | 28.7 | 4 | 3.64 | 26 | 0 |
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| 1983 | 31.9 | 34 | 40.1 | 39 | 23.8 | 31 | 3.21 | 35 | 0 |
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| 1982 | 29.9 | 54 | 36.4 | 69 | 23.4 | 35 | 2.63 | 54 | 0 |
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| 1981 | 35.3 | 14 | 44.6 | 15 | 26 | 13 | 4.79 | 10 | 0 |
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| 1980 | 27.3 | 76 | 35.4 | 78 | 19.2 | 80 | 1.01 | 109 | 0 |
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| 1979 | 20.4 | 93 | 27.4 | 96 | 13.5 | 98 | 4.49 | 14 | 0 |
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| 1978 | 22.3 | 90 | 30.3 | 93 | 14.3 | 97 | 1.60 | 95 | 0 |
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| 1977 | 30.8 | 44 | 39.8 | 41 | 21.8 | 56 | 2.54 | 58 | 0 |
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| 1976 | 36.5 | 8 | 47.1 | 5 | 26 | 13 | 2.80 | 48 | 0 |
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| 1975 | 32 | 33 | 38.6 | 52 | 25.3 | 21 | 3.57 | 28 | 0 |
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| 1974 | 30.1 | 51 | 38.8 | 49 | 21.5 | 60 | 1.60 | 95 | 0 |
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| 1973 | 29.3 | 58 | 38.8 | 49 | 19.7 | 75 | 2.65 | 53 | 0 |
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| 1972 | 26.8 | 80 | 35.6 | 77 | 18 | 87 | 4.05 | 22 | 0 |
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| 1971 | 30 | 53 | 37.1 | 63 | 22.9 | 41 | 5.44 | 5 | 0 |
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| 1970 | 27.9 | 71 | 36.6 | 67 | 19.1 | 83 | 2.40 | 65 | 0 |
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| 1969 | 30.2 | 50 | 37.3 | 59 | 23.1 | 37 | 1.61 | 94 | 0 |
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| 1968 | 25.4 | 84 | 35.4 | 78 | 15.5 | 93 | 1.31 | 103 | 0 |
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| 1967 | 24.3 | 88 | 33.5 | 85 | 15.1 | 96 | 1.98 | 85 | 0 |
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| 1966 | 28.4 | 68 | 36.5 | 68 | 20.3 | 72 | 4.84 | 9 | 0 |
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| 1965 | 30.1 | 51 | 39.3 | 46 | 21 | 64 | 3.21 | 35 | 0 |
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| 1964 | 27.5 | 75 | 36.3 | 72 | 18.7 | 84 | 3.29 | 31 | 0 |
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| 1963 | 22 | 91 | 31.4 | 91 | 12.5 | 99 | 2.55 | 57 | 0 |
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| 1962 | 27 | 78 | 34.7 | 82 | 19.3 | 79 | 4.59 | 11 | 0 |
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| 1961 | 30.5 | 47 | 39.4 | 45 | 21.7 | 58 | 3.17 | 37 | 0 |
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| 1960 | 33.1 | 26 | 40.4 | 34 | 25.7 | 17 | 3.68 | 25 | 0 |
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| 1959 | 29.1 | 61 | 38.7 | 51 | 19.6 | 76 | 2.41 | 63 | 0 |
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| 1958 | 24.6 | 87 | 31.6 | 90 | 17.5 | 89 | 4.86 | 8 | 0 |
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| 1957 | 32.9 | 27 | 41.2 | 29 | 24.7 | 26 | 2.16 | 77 | 0 |
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| 1956 | 32.8 | 28 | 40.3 | 35 | 25.4 | 19 | 4.90 | 7 | 0 |
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| 1955 | 30.6 | 45 | 39.5 | 44 | 21.6 | 59 | 2.84 | 46 | 0 |
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| 1954 | 36.8 | 5 | 46.5 | 9 | 27.1 | 7 | 1.63 | 93 | 0 |
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| 1953 | 34.7 | 16 | 43.6 | 19 | 25.8 | 15 | 3.27 | 33 | 0 |
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| 1952 | 33.9 | 21 | 41.7 | 25 | 26.2 | 11 | 2.61 | 55 | 0 |
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| 1951 | 31.8 | 35 | 40 | 40 | 23.7 | 32 | 3.56 | 29 | 0 |
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| 1950 | 29.1 | 61 | 36.4 | 69 | 21.9 | 52 | 3.58 | 27 | 0 |
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| 1949 | 34.4 | 18 | 44.1 | 17 | 24.6 | 28 | 2.37 | 67 | 0 |
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| 1948 | 25.8 | 81 | 35.3 | 80 | 16.4 | 91 | 1.92 | 89 | 0 |
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| 1947 | 24.8 | 86 | 33 | 88 | 16.6 | 90 | 1.42 | 101 | 0 |
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| 1946 | 28.7 | 66 | 37.3 | 59 | 20 | 74 | 1.96 | 87 | 0 |
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| 1945 | 28.7 | 66 | 36.9 | 66 | 20.5 | 68 | 2.78 | 50 | 0 |
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| 1944 | 29.3 | 58 | 37.3 | 59 | 21.2 | 61 | 2.00 | 84 | 0 |
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| 1943 | 29.3 | 58 | 37.5 | 56 | 21.2 | 61 | 1.93 | 88 | 0 |
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| 1942 | 27.9 | 71 | 35.1 | 81 | 20.6 | 67 | 2.86 | 45 | 0 |
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| 1941 | 27.3 | 76 | 33.5 | 85 | 21 | 64 | | | 0 |
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| 1940 | 29.8 | 55 | 37 | 64 | 22.7 | 44 | 2.56 | 56 | 0 |
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| 1939 | 33.5 | 24 | 41.6 | 27 | 25.4 | 19 | 4.30 | 16 | 0 |
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| 1938 | | | | | 23.4 | 35 | 2.22 | 74 | 4 |
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| 1937 | 32.8 | 28 | 40.7 | 32 | 24.9 | 25 | 2.41 | 63 | 0 |
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| 1936 | 21.6 | 92 | 31.2 | 92 | 12.1 | 100 | 2.80 | 48 | 1 |
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| 1935 | 27.9 | 71 | 37.2 | 62 | 18.6 | 85 | 2.20 | 75 | 2 |
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| 1934 | 16.9 | 95 | 27.6 | 95 | 6.2 | 102 | 1.48 | 99 | 0 |
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| 1933 | | | | | 20.1 | 73 | 3.16 | 38 | 4 |
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| 1932 | 33.7 | 23 | 42.4 | 22 | 25 | 23 | 1.57 | 97 | 1 |
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| 1931 | 31.4 | 38 | 40.3 | 35 | 22.5 | 46 | 2.15 | 78 | 2 |
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| 1930 | | | | | 23 | 39 | 2.36 | 70 | 6 |
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| 1929 | | | 39.1 | 47 | 19.2 | 80 | 3.25 | 34 | 4 |
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| 1928 | | | | | | | 4.19 | 20 | 9 |
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| 1927 | 34.6 | 17 | 41.7 | 25 | 27.4 | 6 | 3.03 | 42 | 2 |
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| 1926 | | | | | 20.5 | 68 | 4.54 | 12 | 5 |
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| 1925 | | | | | 24.4 | 29 | 2.08 | 81 | 4 |
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| 1924 | | | | | 19.6 | 76 | 4.26 | 18 | 7 |
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| 1923 | | | | | | | | | 10 |
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| 1921 | | | | | | | 4.22 | 19 | 28 |
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| 1919 | | | | | | | 2.05 | 83 | 28 |
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| 1918 | | | | | | | 2.36 | 70 | 28 |
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| 1917 | | | | | | | 1.45 | 100 | 28 |
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| 1916 | | | | | | | 3.09 | 41 | 29 |
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| 1915 | | | | | | | 5.74 | 3 | 28 |
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| 1914 | | | | | | | 4.53 | 13 | 28 |
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| 1913 | | | | | | | 2.09 | 80 | 28 |
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| 1912 | | | | | | | 2.48 | 61 | 29 |
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