Upper Allen, Pennsylvania
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 23° 38° -22° (1994) 73° (1950) 3.18" 10.8"
February 25° 41° -13° (1899) 78° (1997) 2.88" 11.4"
March 33° 51° 5° (1984) 87° (1998) 3.58" 5.4"
April 42° 63° 11° (1923) 93° (1985) 3.31" 0.7"
May 51° 73° 31° (1966) 97° (1942) 4.6" 0"
June 61° 81° 40° (1980) 100° (1966) 3.99" 0"
July 66° 86° 49° (1945) 107° (1966) 3.21" 0"
August 64° 84° 45° (1976) 104° (1918) 3.24" 0"
September 57° 76° 30° (1963) 102° (1953) 3.65" 0"
October 45° 64° 23° (1969) 96° (1941) 3.06" 0"
November 36° 53° 10° (1929) 84° (1950) 3.53" 2.1"
December 28° 42° -8° (1960) 75° (1998) 3.22" 6.9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 46° 68° 35° (1978) 97° (1942) 0.13" NA
May 2 47° 68° 34° (1903) 88° (1913) 0.13" NA
May 3 47° 69° 35° (1963) 90° (1965) 0.14" NA
May 4 48° 69° 35° (2002) 91° (1949) 0.14" NA
May 5 48° 69° 34° (1966) 93° (1949) 0.14" NA
May 6 48° 70° 36° (1891) 91° (1949) 0.14" NA
May 7 49° 70° 34° (1968) 93° (2000) 0.14" NA
May 8 49° 70° 34° (1947) 92° (2000) 0.14" NA
May 9 49° 71° 32° (1947) 93° (1963) 0.15" NA
May 10 49° 71° 32° (1962) 95° (1963) 0.15" NA
May 11 50° 71° 31° (1966) 92° (1948) 0.15" NA
May 12 50° 71° 36° (1907) 90° (1944) 0.15" NA
May 13 50° 72° 36° (1967) 90° (1944) 0.15" NA
May 14 51° 72° 34° (1996) 93° (1940) 0.15" NA
May 15 51° 72° 39° (1936) 94° (1962) 0.15" NA
May 16 51° 73° 38° (1973) 92° (1998) 0.15" NA
May 17 52° 73° 34° (1956) 91° (1951) 0.15" NA
May 18 52° 73° 36° (1973) 94° (1962) 0.15" NA
May 19 52° 74° 35° (1973) 95° (1962) 0.15" NA
May 20 53° 74° 38° (2002) 94° (1996) 0.16" NA
May 21 53° 74° 38° (2002) 96° (1941) 0.16" NA
May 22 53° 74° 38° (1895) 96° (1941) 0.16" NA
May 23 54° 75° 40° (2002) 94° (1925) 0.16" NA
May 24 54° 75° 35° (1963) 91° (1964) 0.16" NA
May 25 54° 75° 35° (1956) 92° (1991) 0.15" NA
May 26 55° 76° 41° (1972) 93° (1991) 0.15" NA
May 27 55° 76° 41° (1915) 93° (1941) 0.15" NA
May 28 55° 76° 41° (1983) 95° (1941) 0.15" NA
May 29 56° 76° 40° (1949) 95° (1969) 0.15" NA
May 30 56° 77° 41° (1949) 95° (1895) 0.15" NA
May 31 56° 77° 43° (1996) 93° (2007) 0.15" NA
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