Allentown, Pennsylvania
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 19° 35° -16° (1912) 72° (1950) 3.5" 11.1"
February 21° 39° -12° (1934) 76° (1985) 2.75" 9.4"
March 29° 49° -5° (1934) 87° (1998) 3.56" 5.7"
April 38° 60° 12° (1923) 94° (1915) 3.49" 0.8"
May 48° 71° 29° (1996) 97° (1962) 4.47" 0"
June 58° 79° 39° (1972) 100° (1966) 3.99" 0"
July 63° 84° 38° (1938) 105° (1966) 4.27" 0"
August 61° 82° 41° (1986) 105° (1918) 4.35" 0"
September 53° 74° 31° (1963) 99° (1980) 4.37" 0"
October 41° 63° 19° (1921) 93° (1941) 3.33" 0.1"
November 33° 51° 3° (1938) 81° (1950) 3.7" 1.4"
December 24° 40° -9° (1917) 72° (2006) 3.39" 3.8"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 57° 78° 42° (1967) 97° (1980) 0.15" NA
Sep 2 57° 78° 44° (2001) 99° (1980) 0.15" NA
Sep 3 57° 78° 41° (1967) 99° (1953) 0.15" NA
Sep 4 57° 78° 44° (1946) 94° (1937) 0.15" NA
Sep 5 56° 77° 44° (1997) 92° (1983) 0.15" NA
Sep 6 56° 77° 42° (1988) 96° (1983) 0.15" NA
Sep 7 56° 77° 43° (2000) 92° (1919) 0.15" NA
Sep 8 55° 76° 42° (1962) 97° (1939) 0.15" NA
Sep 9 55° 76° 42° (1986) 93° (1964) 0.15" NA
Sep 10 55° 76° 39° (1956) 96° (1983) 0.15" NA
Sep 11 55° 76° 39° (1995) 96° (1983) 0.15" NA
Sep 12 54° 75° 37° (1967) 93° (1931) 0.15" NA
Sep 13 54° 75° 33° (1911) 94° (1952) 0.15" NA
Sep 14 53° 75° 35° (1911) 92° (1915) 0.15" NA
Sep 15 53° 74° 38° (1975) 95° (1927) 0.15" NA
Sep 16 53° 74° 38° (1923) 95° (1991) 0.15" NA
Sep 17 52° 74° 39° (2007) 93° (1991) 0.15" NA
Sep 18 52° 73° 36° (1990) 92° (1914) 0.15" NA
Sep 19 52° 73° 36° (1943) 93° (1983) 0.15" NA
Sep 20 51° 73° 37° (1993) 95° (1914) 0.15" NA
Sep 21 51° 72° 34° (1956) 96° (1914) 0.15" NA
Sep 22 51° 72° 36° (1997) 96° (1914) 0.14" NA
Sep 23 50° 72° 36° (1974) 96° (1914) 0.14" NA
Sep 24 50° 71° 31° (1963) 92° (1970) 0.14" NA
Sep 25 49° 71° 33° (1963) 92° (1970) 0.14" NA
Sep 26 49° 71° 35° (1967) 90° (2007) 0.14" NA
Sep 27 48° 70° 31° (1947) 88° (1998) 0.13" NA
Sep 28 48° 70° 32° (1947) 85° (1945) 0.13" NA
Sep 29 48° 69° 32° (2000) 87° (1921) 0.13" NA
Sep 30 47° 69° 33° (2000) 87° (1986) 0.13" NA
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