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
May 1 10.6° 20.6° 2° (1963) 30° (1957) 0.13" NA
May 2 10.6° 20.6° 4° (1963) 30° (1951) 0.13" NA
May 3 10.6° 20.6° 5° (1957) 31° (2001) 0.13" NA
May 4 11.1° 21.1° 3° (1957) 31° (1965) 0.13" NA
May 5 11.1° 21.1° 6° (1956) 33° (1980) 0.13" NA
May 6 11.1° 21.1° 6° (1967) 33° (1986) 0.13" NA
May 7 11.7° 21.7° 4° (1970) 34° (2000) 0.13" NA
May 8 11.7° 21.7° 6° (1956) 33° (1949) 0.14" NA
May 9 11.7° 21.7° 3° (1966) 33° (1963) 0.14" NA
May 10 12.2° 22.2° 2° (1966) 33° (1963) 0.14" NA
May 11 12.2° 22.2° 3° (1966) 32° (1985) 0.14" NA
May 12 12.2° 22.8° 4° (1963) 33° (1948) 0.14" NA
May 13 12.8° 22.8° 5° (1996) 33° (1957) 0.14" NA
May 14 12.8° 22.8° 5° (1996) 33° (1956) 0.14" NA
May 15 12.8° 23.3° 7° (1966) 31° (1957) 0.14" NA
May 16 13.3° 23.3° 6° (1959) 35° (1998) 0.14" NA
May 17 13.3° 23.3° 3° (1956) 33° (1974) 0.14" NA
May 18 13.3° 23.9° 5° (1973) 36° (1962) 0.14" NA
May 19 13.3° 23.9° 6° (1976) 37° (1962) 0.14" NA
May 20 13.9° 23.9° 6° (2002) 35° (1996) 0.14" NA
May 21 13.9° 24.4° 4° (2002) 34° (1996) 0.14" NA
May 22 13.9° 24.4° 7° (2002) 33° (1959) 0.14" NA
May 23 14.4° 24.4° 8° (1990) 34° (1991) 0.13" NA
May 24 14.4° 24.4° 4° (1963) 33° (1964) 0.13" NA
May 25 14.4° 25° 6° (1963) 34° (1991) 0.13" NA
May 26 15° 25° 8° (1961) 33° (1965) 0.13" NA
May 27 15° 25° 7° (1961) 34° (1977) 0.13" NA
May 28 15° 25.6° 7° (1961) 34° (1991) 0.13" NA
May 29 15.6° 25.6° 8° (1949) 36° (1991) 0.13" NA
May 30 15.6° 25.6° 8° (1949) 36° (1987) 0.12" NA
May 31 15.6° 26.1° 10° (1953) 34° (1986) 0.12" NA
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