Mount Joy, Pennsylvania
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 21° 38° -24° (1994) 71° (1967) 3.25" 8.4"
February 23° 42° -20° (1979) 77° (1985) 2.36" 7.9"
March 31° 52° -4° (2007) 86° (1998) 3.37" 3.6"
April 39° 64° 17° (1964) 92° (1976) 3.45" 0.4"
May 49° 74° 22° (1978) 94° (1996) 4.32" 0"
June 59° 82° 34° (1986) 99° (1966) 4.49" 0"
July 62° 85° 41° (1966) 102° (1991) 4.75" 0"
August 60° 84° 35° (1982) 102° (2001) 3.24" 0"
September 53° 77° 27° (1963) 101° (1953) 4.16" 0"
October 41° 66° 18° (1969) 91° (2007) 3.31" 0.1"
November 34° 53° 12° (1989) 81° (1982) 3.63" 0.9"
December 26° 42° -12° (1963) 76° (1984) 3.07" 4.4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 30° 47° 5° (1967) 69° (2006) 0.11" NA
Dec 2 29° 46° -4° (1967) 72° (2006) 0.11" NA
Dec 3 29° 46° 6° (1976) 69° (1998) 0.11" NA
Dec 4 29° 46° 9° (1966) 72° (1982) 0.11" NA
Dec 5 28° 45° 11° (1976) 75° (2001) 0.1" NA
Dec 6 28° 45° 2° (2007) 69° (2001) 0.1" NA
Dec 7 28° 45° -6° (2002) 74° (1998) 0.1" NA
Dec 8 28° 44° 3° (2002) 70° (1980) 0.1" NA
Dec 9 27° 44° 1° (2002) 67° (1980) 0.1" NA
Dec 10 27° 44° 0° (1989) 67° (1966) 0.1" NA
Dec 11 27° 43° 2° (1968) 66° (1979) 0.1" NA
Dec 12 26° 43° 3° (1988) 67° (1979) 0.1" NA
Dec 13 26° 43° 3° (1988) 65° (1979) 0.1" NA
Dec 14 26° 42° 6° (1958) 59° (1991) 0.1" NA
Dec 15 26° 42° 2° (1960) 62° (2001) 0.1" NA
Dec 16 26° 42° 4° (1960) 64° (1971) 0.09" NA
Dec 17 25° 41° 7° (1989) 60° (2000) 0.09" NA
Dec 18 25° 41° 6° (1960) 66° (2006) 0.09" NA
Dec 19 25° 41° 3° (1960) 61° (1970) 0.09" NA
Dec 20 25° 41° -3° (1960) 58° (1957) 0.09" NA
Dec 21 24° 40° -1° (1963) 63° (1957) 0.09" NA
Dec 22 24° 40° 3° (1958) 62° (1998) 0.09" NA
Dec 23 24° 40° -9° (1960) 64° (1990) 0.1" NA
Dec 24 24° 40° -3° (1960) 62° (1990) 0.1" NA
Dec 25 24° 40° -3° (1983) 59° (1982) 0.1" NA
Dec 26 23° 39° -3° (1980) 66° (1964) 0.1" NA
Dec 27 23° 39° 0° (1980) 63° (1964) 0.1" NA
Dec 28 23° 39° -3° (1960) 62° (1988) 0.1" NA
Dec 29 23° 39° -3° (1963) 76° (1984) 0.1" NA
Dec 30 23° 39° -3° (1976) 72° (1984) 0.1" NA
Dec 31 22° 39° -12° (1963) 62° (1992) 0.1" NA
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