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
Dec 1 1.7° 9.4° -12° (1875) 22° (2006) 0.11" NA
Dec 2 1.1° 9.4° -12° (1875) 19° (1970) 0.11" NA
Dec 3 1.1° 8.9° -13° (1976) 20° (1950) 0.11" NA
Dec 4 1.1° 8.9° -11° (1966) 23° (1998) 0.11" NA
Dec 5 1.1° 8.3° -11° (1886) 22° (2001) 0.11" NA
Dec 6 0.6° 8.3° -9° (1901) 22° (2001) 0.11" NA
Dec 7 0.6° 8.3° -9° (1926) 23° (1998) 0.11" NA
Dec 8 0.6° 7.8° -10° (1882) 19° (1980) 0.1" NA
Dec 9 7.8° -14° (1876) 21° (1966) 0.1" NA
Dec 10 7.8° -16° (1876) 22° (1966) 0.1" NA
Dec 11 7.2° -13° (1880) 18° (1971) 0.1" NA
Dec 12 7.2° -13° (1988) 18° (1931) 0.1" NA
Dec 13 -0.6° 7.2° -13° (1960) 18° (1923) 0.1" NA
Dec 14 -0.6° 7.2° -12° (1960) 21° (1881) 0.1" NA
Dec 15 -0.6° 6.7° -14° (1960) 19° (1971) 0.1" NA
Dec 16 -1.1° 6.7° -13° (1876) 20° (1971) 0.1" NA
Dec 17 -1.1° 6.7° -14° (1919) 18° (2000) 0.1" NA
Dec 18 -1.1° 6.1° -16° (1919) 21° (2006) 0.11" NA
Dec 19 -1.1° 6.1° -16° (1884) 18° (1929) 0.11" NA
Dec 20 -1.7° 6.1° -17° (1942) 18° (1957) 0.11" NA
Dec 21 -1.7° 6.1° -17° (1942) 19° (1895) 0.11" NA
Dec 22 -1.7° 5.6° -14° (1989) 18° (1998) 0.11" NA
Dec 23 -1.7° 5.6° -14° (1989) 19° (1990) 0.11" NA
Dec 24 -1.7° 5.6° -16° (1983) 18° (1990) 0.11" NA
Dec 25 -2.2° 5.6° -17° (1983) 20° (1964) 0.11" NA
Dec 26 -2.2° -16° (1983) 20° (1964) 0.11" NA
Dec 27 -2.2° -13° (1989) 18° (1949) 0.11" NA
Dec 28 -2.2° -13° (1950) 18° (1982) 0.11" NA
Dec 29 -2.8° -18° (1917) 22° (1984) 0.11" NA
Dec 30 -2.8° -21° (1880) 18° (1990) 0.11" NA
Dec 31 -2.8° 4.4° -18° (1880) 19° (1884) 0.11" NA
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