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
May 1 10° 19.4° 1° (1978) 32° (1942) 0.12" NA
May 2 10° 20° 2° (1960) 31° (2001) 0.12" NA
May 3 10° 20° 2° (1986) 32° (2001) 0.12" NA
May 4 10.6° 20° 2° (1957) 33° (2001) 0.12" NA
May 5 10.6° 20.6° 1° (1966) 32° (1928) 0.13" NA
May 6 10.6° 20.6° 2° (1891) 32° (1986) 0.13" NA
May 7 11.1° 20.6° 2° (1970) 34° (1930) 0.13" NA
May 8 11.1° 21.1° 3° (1947) 34° (1936) 0.13" NA
May 9 11.1° 21.1° 1° (1947) 34° (1936) 0.13" NA
May 10 11.7° 21.1° 1° (1966) 34° (1896) 0.13" NA
May 11 11.7° 21.7° -2° (1966) 34° (1896) 0.13" NA
May 12 11.7° 21.7° 3° (1962) 33° (1881) 0.13" NA
May 13 12.2° 21.7° 3° (1967) 33° (1881) 0.13" NA
May 14 12.2° 22.2° 4° (1996) 33° (1956) 0.13" NA
May 15 12.8° 22.2° 4° (1966) 34° (1900) 0.13" NA
May 16 12.8° 22.2° 4° (1984) 32° (1998) 0.13" NA
May 17 12.8° 22.2° 3° (1956) 33° (1974) 0.13" NA
May 18 13.3° 22.8° 5° (1973) 34° (1962) 0.13" NA
May 19 13.3° 22.8° 5° (1882) 36° (1962) 0.13" NA
May 20 13.3° 22.8° 6° (2002) 34° (1996) 0.13" NA
May 21 13.9° 23.3° 5° (2002) 35° (1934) 0.13" NA
May 22 13.9° 23.3° 6° (1895) 36° (1941) 0.13" NA
May 23 13.9° 23.3° 5° (1961) 36° (1925) 0.12" NA
May 24 14.4° 23.9° 4° (1963) 32° (2004) 0.12" NA
May 25 14.4° 23.9° 4° (1963) 36° (1991) 0.12" NA
May 26 14.4° 23.9° 6° (1961) 36° (1880) 0.12" NA
May 27 14.4° 23.9° 6° (1961) 35° (1991) 0.12" NA
May 28 15° 24.4° 5° (1961) 34° (1941) 0.12" NA
May 29 15° 24.4° 6° (1884) 35° (1991) 0.12" NA
May 30 15° 24.4° 5° (1961) 36° (1991) 0.12" NA
May 31 15.6° 25° 6° (1965) 36° (1991) 0.11" NA
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