Aston, Pennsylvania
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -2° -20° (1994) 21.1° (1950) 2.92" 5.9"
February -1° -17.2° (1979) 21.7° (2000) 2.75" 6.5"
March 11° -12.2° (1980) 28.3° (1998) 3.63" 2.5"
April 17° -6.7° (1982) 35° (2002) 3.27" 0"
May 13° 23° 1.7° (1966) 37.2° (1962) 4.16" 0"
June 18° 28° 7.8° (1972) 37.8° (1984) 3.2" 0"
July 21° 31° 12.2° (1979) 39.4° (1986) 4.01" 0"
August 20° 29° 10° (1965) 41.1° (1948) 3.32" 0"
September 16° 25° 3.9° (1963) 37.8° (1983) 4.23" 0"
October 10° 18° -1.1° (1969) 31.7° (1951) 2.84" 0"
November 12° -9.4° (1955) 30.6° (1950) 3.21" 0.3"
December -17.8° (1991) 23.3° (1998) 3.12" 2.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 2.8° 9.4° -7° (1967) 21° (2001) 0.11" NA
Dec 2 2.2° 8.9° -7° (1967) 22° (2001) 0.11" NA
Dec 3 2.2° 8.9° -9° (1976) 19° (1998) 0.11" NA
Dec 4 2.2° 8.3° -8° (1989) 23° (1998) 0.11" NA
Dec 5 2.2° 8.3° -4° (1991) 20° (1982) 0.1" NA
Dec 6 1.7° 8.3° -6° (1958) 21° (2001) 0.1" NA
Dec 7 1.7° 7.8° -10° (2002) 21° (1998) 0.1" NA
Dec 8 1.7° 7.8° -7° (1970) 18° (1956) 0.1" NA
Dec 9 1.1° 7.8° -9° (1960) 19° (1951) 0.1" NA
Dec 10 1.1° 7.8° -11° (1968) 16° (1952) 0.1" NA
Dec 11 1.1° 7.2° -11° (1968) 18° (1967) 0.1" NA
Dec 12 1.1° 7.2° -13° (1988) 16.1° (2006) 0.1" NA
Dec 13 0.6° 7.2° -13° (1988) 16° (1967) 0.1" NA
Dec 14 0.6° 6.7° -8° (1963) 19° (1948) 0.1" NA
Dec 15 0.6° 6.7° -9° (1963) 17° (2001) 0.1" NA
Dec 16 6.7° -10° (1951) 20° (1971) 0.1" NA
Dec 17 6.7° -12° (1951) 17° (2000) 0.1" NA
Dec 18 6.1° -9° (1989) 17° (1984) 0.1" NA
Dec 19 6.1° -11° (1963) 21.1° (2006) 0.1" NA
Dec 20 6.1° -13° (1963) 17° (1957) 0.1" NA
Dec 21 -0.6° 6.1° -13° (1955) 17° (1957) 0.1" NA
Dec 22 -0.6° 5.6° -13° (1989) 17° (1984) 0.1" NA
Dec 23 -0.6° 5.6° -13° (1989) 17° (1949) 0.1" NA
Dec 24 -0.6° 5.6° -14° (1983) 16° (1996) 0.1" NA
Dec 25 -1.1° 5.6° -16° (1983) 19° (1964) 0.1" NA
Dec 26 -1.1° -14° (1983) 17° (1964) 0.1" NA
Dec 27 -1.1° -12° (1950) 16° (1949) 0.1" NA
Dec 28 -1.1° -11° (1960) 17° (1949) 0.1" NA
Dec 29 -1.1° -8° (1963) 19° (1984) 0.1" NA
Dec 30 -1.1° -18° (1991) 17° (1984) 0.09" NA
Dec 31 -1.7° -16° (1962) 16° (1971) 0.09" NA
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