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) 2.93" 8.3"
February 25° 41° -13° (1899) 78° (1997) 2.82" 7.3"
March 32° 51° 5° (1984) 87° (1998) 3.3" 4.8"
April 42° 63° 11° (1923) 93° (1985) 3.41" 1.6"
May 51° 72° 31° (1966) 97° (1942) 4.05" 0"
June 61° 81° 40° (1980) 100° (1966) 3.67" 0"
July 66° 85° 49° (1945) 107° (1966) 3.63" 0"
August 64° 84° 45° (1976) 104° (1918) 3.69" 0"
September 56° 76° 30° (1963) 102° (1953) 3.64" 0"
October 44° 64° 23° (1969) 96° (1941) 3.33" 0.2"
November 36° 53° 10° (1929) 84° (1950) 3.37" 1.4"
December 27° 42° -8° (1960) 75° (1998) 3.17" 4.8"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 32° 47° 12° (1967) 74° (2006) 0.12" 0.1"
Dec 2 31° 46° 9° (1967) 67° (1970) 0.11" 0.1"
Dec 3 31° 46° 12° (1976) 72° (1998) 0.12" 0.1"
Dec 4 31° 45° 11° (1940) 74° (1998) 0.12" 0.1"
Dec 5 30° 45° 12° (1926) 73° (2001) 0.12" 0.1"
Dec 6 30° 45° 12° (2002) 73° (1998) 0.11" 0.1"
Dec 7 30° 44° 9° (2002) 75° (1998) 0.11" 0.1"
Dec 8 29° 44° 12° (2002) 68° (1980) 0.12" 0.1"
Dec 9 29° 44° 7° (1989) 68° (1946) 0.11" 0.1"
Dec 10 29° 43° 6° (1917) 71° (1946) 0.12" 0.1"
Dec 11 28° 43° 6° (1968) 63° (1897) 0.12" 0.1"
Dec 12 28° 42° 6° (1988) 67° (1979) 0.11" 0.2"
Dec 13 28° 42° 6° (1960) 63° (1948) 0.11" 0.1"
Dec 14 27° 42° 4° (2005) 64° (1927) 0.1" 0.2"
Dec 15 27° 42° 4° (1914) 63° (2008) 0.11" 0.1"
Dec 16 27° 41° 4° (1951) 63° (1971) 0.09" 0.2"
Dec 17 26° 41° 0° (1951) 59° (1939) 0.1" 0.2"
Dec 18 26° 41° 2° (1919) 64° (2006) 0.09" 0.1"
Dec 19 26° 40° 5° (1989) 63° (1929) 0.1" 0.2"
Dec 20 26° 40° 3° (1942) 63° (1957) 0.09" 0.2"
Dec 21 25° 40° 2° (1942) 64° (1923) 0.1" 0.1"
Dec 22 25° 40° -1° (1960) 64° (1949) 0.1" 0.2"
Dec 23 25° 40° -8° (1960) 65° (1990) 0.1" 0.2"
Dec 24 25° 39° -1° (1983) 62° (1990) 0.09" 0.2"
Dec 25 25° 39° -3° (1983) 66° (1889) 0.1" 0.2"
Dec 26 24° 39° 0° (1983) 66° (1889) 0.09" 0.2"
Dec 27 24° 39° 1° (1914) 59° (1936) 0.09" 0.2"
Dec 28 24° 39° 0° (1960) 65° (1982) 0.08" 0.2"
Dec 29 24° 39° -2° (1917) 75° (1984) 0.09" 0.2"
Dec 30 24° 39° -3° (1917) 64° (1984) 0.07" 0.2"
Dec 31 24° 38° -3° (1963) 65° (1992) 0.08" 0.3"
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