Atglen, Pennsylvania
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 21° 37° -14° (1984) 71° (2002) 3.85" 9.8"
February 23° 41° -5° (1996) 74° (1985) 3.5" 10"
March 30° 50° -4° (1984) 88° (1998) 4.5" 5.2"
April 39° 62° 21° (1995) 92° (2002) 4.14" 1.4"
May 49° 72° 29° (1986) 94° (1996) 4.37" 0"
June 59° 81° 36° (1986) 96° (1991) 4.03" 0"
July 64° 85° 45° (1986) 100° (1988) 4.7" 0"
August 62° 83° 39° (1986) 100° (2002) 3.98" 0"
September 54° 76° 34° (2000) 96° (1983) 4.69" 0"
October 43° 64° 21° (1988) 89° (2007) 4.26" 0"
November 34° 53° 10° (1989) 80° (2003) 3.99" 1"
December 25° 42° -3° (1983) 75° (2001) 4.21" 4.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 44° 68° 33° (2000) 85° (1985) 0.13" 0"
May 2 45° 68° 34° (2005) 87° (2001) 0.13" 0"
May 3 45° 68° 32° (2005) 89° (2001) 0.13" 0"
May 4 45° 69° 29° (1986) 90° (2001) 0.13" 0"
May 5 46° 69° 33° (1997) 86° (2000) 0.14" 0"
May 6 46° 69° 35° (1992) 87° (1986) 0.14" 0"
May 7 46° 70° 34° (1996) 91° (2000) 0.14" 0"
May 8 47° 70° 31° (1997) 91° (2000) 0.14" 0"
May 9 47° 70° 34° (1985) 90° (2000) 0.14" 0"
May 10 47° 70° 30° (1983) 85° (1987) 0.15" 0"
May 11 48° 71° 33° (1983) 87° (1987) 0.14" 0"
May 12 48° 71° 34° (1983) 86° (1991) 0.14" 0"
May 13 48° 71° 35° (1996) 89° (1991) 0.15" 0"
May 14 48° 71° 30° (1996) 87° (1991) 0.15" 0"
May 15 49° 72° 38° (1999) 87° (2004) 0.15" 0"
May 16 49° 72° 39° (1983) 89° (1998) 0.15" 0"
May 17 49° 72° 33° (1983) 84° (1986) 0.15" 0"
May 18 50° 73° 33° (1983) 88° (1986) 0.14" 0"
May 19 50° 73° 35° (2002) 91° (1996) 0.15" 0"
May 20 50° 73° 35° (1991) 94° (1996) 0.15" 0"
May 21 51° 73° 34° (2002) 91° (1996) 0.14" 0"
May 22 51° 74° 34° (2002) 87° (1991) 0.15" 0"
May 23 51° 74° 37° (2006) 90° (1991) 0.15" 0"
May 24 52° 74° 39° (2006) 89° (2004) 0.14" 0"
May 25 52° 75° 42° (1983) 92° (1991) 0.14" 0"
May 26 52° 75° 42° (1988) 89° (1991) 0.13" 0"
May 27 53° 75° 40° (1994) 90° (1991) 0.14" 0"
May 28 53° 75° 37° (1994) 88° (1991) 0.13" 0"
May 29 53° 76° 40° (1997) 91° (1987) 0.14" 0"
May 30 54° 76° 40° (1993) 92° (1987) 0.14" 0"
May 31 54° 76° 39° (1996) 91° (1991) 0.13" 0"
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