Every October in Philadelphia Center City, PA from 1940 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 | 60.9 | 27 | 69.4 | 21 | 52.4 | 35 | | | 0 |
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| 2024 | 63 | 10 | 72.5 | 6 | 53.5 | 24 | 0.00 | 47 | 0 |
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| 2023 | 62.4 | 14 | 71.3 | 10 | 53.4 | 25 | | | 0 |
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| 2022 | 58.1 | 56 | 65.9 | 59 | 50.3 | 54 | | | 0 |
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| 2021 | 65.7 | 1 | 73.2 | 2 | 58.2 | 2 | | | 0 |
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| 2020 | 60.5 | 32 | 68.4 | 30 | 52.6 | 32 | | | 0 |
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| 2019 | 61.5 | 20 | 69 | 25 | 53.9 | 15 | | | 0 |
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| 2018 | 60.7 | 28 | 67.7 | 42 | 53.8 | 19 | | | 3 |
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| 2017 | 65.1 | 3 | 73 | 4 | 57.3 | 4 | 5.31 | 8 | 0 |
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| 2016 | 60.5 | 32 | 68.7 | 27 | 52.3 | 36 | 1.19 | 41 | 0 |
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| 2015 | 58.3 | 52 | 66.7 | 53 | 49.9 | 59 | 4.07 | 15 | 0 |
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| 2014 | 61.1 | 24 | 68.4 | 30 | 53.8 | 19 | 3.57 | 18 | 0 |
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| 2013 | 61.6 | 19 | 69.3 | 24 | 53.9 | 15 | 2.54 | 28 | 0 |
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| 2012 | 59.9 | 39 | 67.1 | 47 | 52.6 | 32 | 1.42 | 37 | 0 |
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| 2011 | 58.2 | 53 | 66.1 | 57 | 50.4 | 53 | 3.81 | 16 | 0 |
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| 2010 | 59.9 | 39 | 67.5 | 43 | 52.3 | 36 | 6.83 | 2 | 0 |
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| 2009 | 57 | 64 | 64 | 73 | 50 | 58 | 6.21 | 4 | 0 |
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| 2008 | 56.3 | 72 | 66.1 | 57 | 46.5 | 82 | 3.21 | 23 | 0 |
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| 2007 | 64.3 | 4 | 72 | 7 | 56.6 | 5 | 5.46 | 7 | 0 |
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| 2006 | 57.5 | 60 | 65.2 | 64 | 49.7 | 61 | 5.75 | 6 | 0 |
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| 2005 | 61.1 | 24 | 68.4 | 30 | 53.9 | 15 | 10.40 | 1 | 0 |
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| 2004 | 57.6 | 59 | 63.8 | 75 | 51.4 | 44 | | | 0 |
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| 2003 | 58.2 | 53 | 65.8 | 60 | 50.5 | 51 | 5.26 | 9 | 0 |
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| 2002 | | | | | | | 6.45 | 3 | 8 |
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| 2001 | 60.5 | 32 | 69.4 | 21 | 51.6 | 43 | 0.71 | 44 | 0 |
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| 2000 | 59.3 | 44 | 67.8 | 40 | 50.7 | 50 | 1.23 | 39 | 0 |
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| 1999 | 57.9 | 57 | 66.9 | 50 | 49.2 | 65 | 3.68 | 17 | 2 |
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| 1998 | 60 | 38 | 67.1 | 47 | 53 | 28 | 2.16 | 31 | 0 |
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| 1997 | 59.7 | 41 | 68.2 | 34 | 51.2 | 46 | 2.17 | 30 | 0 |
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| 1996 | 58.2 | 53 | 66.8 | 52 | 49.5 | 62 | 5.09 | 10 | 0 |
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| 1995 | | | | | 53.9 | 15 | 6.19 | 5 | 5 |
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| 1994 | | | 67 | 49 | | | 1.03 | 43 | 11 |
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| 1993 | 56.7 | 69 | 64.6 | 67 | 49 | 67 | 3.29 | 22 | 2 |
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| 1992 | 55.3 | 79 | 62.8 | 81 | 47.9 | 78 | | | 0 |
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| 1991 | 59.7 | 41 | 68.2 | 34 | 51.1 | 48 | | | 0 |
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| 1990 | 63.2 | 9 | 71.1 | 12 | 55.3 | 8 | | | 0 |
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| 1989 | 60.5 | 32 | 68.9 | 26 | 52 | 40 | | | 0 |
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| 1988 | 54.3 | 82 | 61.5 | 84 | 47.1 | 79 | | | 0 |
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| 1987 | 54.9 | 81 | 63.8 | 75 | 46 | 84 | | | 0 |
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| 1986 | 60.1 | 37 | 67.9 | 39 | 52.3 | 36 | | | 0 |
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| 1985 | 62.9 | 11 | 71.2 | 11 | 54.5 | 10 | | | 0 |
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| 1984 | 65.7 | 1 | 73 | 4 | 58.4 | 1 | | | 0 |
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| 1983 | 60.7 | 28 | 68 | 36 | 53.4 | 25 | | | 0 |
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| 1982 | 59.3 | 44 | 67.8 | 40 | 50.8 | 49 | | | 0 |
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| 1981 | 56.1 | 74 | 63.9 | 74 | 48.2 | 75 | | | 0 |
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| 1980 | 57.3 | 61 | 64.5 | 69 | 50.1 | 57 | | | 0 |
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| 1979 | 56.1 | 74 | 63.4 | 78 | 48.9 | 70 | | | 0 |
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| 1978 | 56.9 | 65 | 65.5 | 61 | 48.3 | 73 | | | 0 |
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| 1977 | 56.8 | 68 | 64.4 | 70 | 49.3 | 64 | 2.90 | 24 | 0 |
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| 1976 | 55 | 80 | 61.9 | 83 | 48.2 | 75 | 4.55 | 12 | 0 |
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| 1975 | 61.4 | 22 | 69.5 | 19 | 53.4 | 25 | 3.47 | 20 | 0 |
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| 1974 | 55.9 | 76 | 64.6 | 67 | 47.1 | 79 | 2.01 | 33 | 0 |
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| 1973 | 63.7 | 8 | 71.8 | 8 | 55.7 | 7 | | | 0 |
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| 1972 | 55.6 | 77 | 63 | 80 | 48.2 | 75 | | | 0 |
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| 1971 | 64 | 6 | 70.4 | 14 | 57.6 | 3 | | | 0 |
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| 1970 | 61.2 | 23 | 68 | 36 | 54.5 | 10 | | | 0 |
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| 1969 | 59.4 | 43 | 67.5 | 43 | 51.4 | 44 | | | 0 |
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| 1968 | 61.9 | 16 | 69.4 | 21 | 54.5 | 10 | | | 0 |
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| 1967 | 58.9 | 50 | 67.3 | 46 | 50.5 | 51 | | | 0 |
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| 1966 | 59.1 | 47 | 68 | 36 | 50.2 | 55 | | | 0 |
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| 1965 | 57.7 | 58 | 66.5 | 54 | 48.9 | 70 | | | 0 |
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| 1964 | 56.9 | 65 | 65.5 | 61 | 48.3 | 73 | 2.05 | 32 | 0 |
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| 1963 | 64 | 6 | 74.3 | 1 | 53.6 | 23 | 0.08 | 46 | 0 |
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| 1962 | 58.8 | 51 | 67.4 | 45 | 50.2 | 55 | | | 0 |
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| 1961 | 61.1 | 24 | 70.3 | 15 | 52 | 40 | | | 0 |
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| 1960 | 59 | 48 | 66.9 | 50 | 51.2 | 46 | | | 0 |
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| 1959 | 61.9 | 16 | 69.5 | 19 | 54.3 | 13 | | | 0 |
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| 1958 | 56.5 | 71 | 64.4 | 70 | 48.6 | 72 | | | 0 |
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| 1957 | 56.7 | 69 | 64.4 | 70 | 49 | 67 | | | 0 |
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| 1956 | 59.3 | 44 | 66.3 | 55 | 52.3 | 36 | 4.24 | 14 | 0 |
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| 1955 | 60.6 | 30 | 68.4 | 30 | 52.8 | 29 | 4.82 | 11 | 0 |
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| 1954 | 61.9 | 16 | 69.9 | 17 | 53.8 | 19 | 1.84 | 35 | 0 |
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| 1953 | 61.5 | 20 | 70.2 | 16 | 52.7 | 30 | 3.50 | 19 | 0 |
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| 1952 | 55.6 | 77 | 64.7 | 66 | 46.6 | 81 | 0.54 | 45 | 0 |
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| 1951 | 60.6 | 30 | 68.6 | 28 | 52.7 | 30 | 4.39 | 13 | 0 |
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| 1950 | 60.5 | 32 | 68.5 | 29 | 52.5 | 34 | 2.65 | 25 | 0 |
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| 1949 | 62.9 | 11 | 69.8 | 18 | 56 | 6 | 2.59 | 26 | 0 |
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| 1948 | 56.9 | 65 | 63.8 | 75 | 49.9 | 59 | 1.39 | 38 | 0 |
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| 1947 | 64.3 | 4 | 73.2 | 2 | 55.3 | 8 | 2.55 | 27 | 0 |
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| 1946 | 62.4 | 14 | 70.9 | 13 | 53.8 | 19 | 1.22 | 40 | 0 |
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| 1945 | 57.2 | 62 | 65.3 | 63 | 49.2 | 65 | 1.90 | 34 | 0 |
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| 1944 | 57.2 | 62 | 65.1 | 65 | 49.4 | 63 | 1.64 | 36 | 0 |
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| 1943 | 56.2 | 73 | 63.4 | 78 | 49 | 67 | | | 0 |
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| 1942 | 59 | 48 | 66.2 | 56 | 51.7 | 42 | 3.40 | 21 | 0 |
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| 1941 | 62.8 | 13 | 71.6 | 9 | 54 | 14 | 1.10 | 42 | 0 |
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| 1940 | 54.3 | 82 | 62.4 | 82 | 46.2 | 83 | 2.38 | 29 | 0 |
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