Philadelphia, Pennsylvania
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -4° -21.7° (1984) 23.3° (1950) 3.52" 6.4"
February -2° -23.9° (1934) 26.1° (1930) 2.74" 6.6"
March 11° -15° (1872) 30.6° (1945) 3.81" 3.2"
April 17° -10° (1923) 35° (2002) 3.49" 0.6"
May 13° 22° -2.2° (1966) 36.1° (1991) 3.89" 0"
June 18° 27° 6.7° (1984) 38.9° (1934) 3.29" 0"
July 21° 30° 10.6° (1966) 40° (1966) 4.39" 0"
August 21° 29° 6.7° (1986) 41.1° (1918) 3.82" 0"
September 16° 25° 1.7° (1963) 38.9° (1881) 3.88" 0"
October 19° -3.9° (1969) 35.6° (1941) 2.75" 0.1"
November 13° -13.3° (1875) 28.9° (1950) 3.16" 0.4"
December -1° -20.6° (1880) 22.8° (1998) 3.31" 2"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 18.9° 27.2° 9° (1963) 36° (1953) 0.13" NA
Sep 2 18.3° 27.2° 8° (1963) 38° (1953) 0.13" NA
Sep 3 18.3° 27.2° 11° (1967) 38° (1953) 0.13" NA
Sep 4 18.3° 26.7° 11° (1997) 34° (1973) 0.13" NA
Sep 5 18.3° 26.7° 12° (1994) 33° (1985) 0.13" NA
Sep 6 17.8° 26.7° 9° (1988) 35° (1983) 0.13" NA
Sep 7 17.8° 26.1° 8° (1984) 39° (1881) 0.13" NA
Sep 8 17.8° 26.1° 7° (1962) 36° (1939) 0.14" NA
Sep 9 17.2° 26.1° 9° (1956) 34° (1884) 0.14" NA
Sep 10 17.2° 26.1° 7° (1956) 36° (1983) 0.14" NA
Sep 11 17.2° 25.6° 6° (1917) 37° (1983) 0.14" NA
Sep 12 16.7° 25.6° 7° (1940) 35° (1931) 0.14" NA
Sep 13 16.7° 25.6° 7° (1958) 35° (1952) 0.14" NA
Sep 14 16.7° 25° 7° (1975) 33° (1995) 0.14" NA
Sep 15 16.1° 25° 7° (1895) 35° (1927) 0.13" NA
Sep 16 16.1° 25° 7° (1984) 34° (1991) 0.13" NA
Sep 17 16.1° 24.4° 7° (1986) 34° (1991) 0.13" NA
Sep 18 15.6° 24.4° 6° (1959) 32° (1891) 0.13" NA
Sep 19 15.6° 24.4° 6° (1959) 33° (1983) 0.13" NA
Sep 20 15° 23.9° 7° (1979) 32° (1983) 0.13" NA
Sep 21 15° 23.9° 3° (1956) 36° (1895) 0.13" NA
Sep 22 15° 23.9° 4° (1962) 36° (1895) 0.13" NA
Sep 23 14.4° 23.3° 4° (1983) 36° (1895) 0.13" NA
Sep 24 14.4° 23.3° 4° (1974) 35° (1970) 0.12" NA
Sep 25 13.9° 23.3° 2° (1963) 33° (1970) 0.12" NA
Sep 26 13.9° 22.8° 3° (1963) 33° (1970) 0.12" NA
Sep 27 13.9° 22.8° 2° (1947) 33° (1998) 0.12" NA
Sep 28 13.3° 22.2° 3° (1957) 33° (1886) 0.12" NA
Sep 29 13.3° 22.2° 3° (1942) 32° (1921) 0.11" NA
Sep 30 12.8° 22.2° 3° (1942) 31° (1881) 0.11" NA
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