Allentown, Pennsylvania
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -7° -26.7° (1912) 22.2° (1950) 3.5" 11.1"
February -6° -25° (1934) 24.4° (1985) 2.75" 9.4"
March -2° -18.3° (1934) 30° (1998) 3.56" 5.7"
April 16° -8.9° (1923) 34.4° (1915) 3.49" 0.8"
May 22° -1.7° (1996) 36.1° (1962) 4.47" 0"
June 14° 26° 3.9° (1972) 37.8° (1966) 3.99" 0"
July 17° 29° 7.8° (1938) 40.6° (1966) 4.27" 0"
August 16° 28° 5° (1986) 40.6° (1918) 4.35" 0"
September 12° 23° -0.6° (1963) 38.3° (1980) 4.37" 0"
October 17° -7.2° (1921) 34.4° (1941) 3.33" 0.1"
November 11° -12.2° (1938) 27.2° (1950) 3.7" 1.4"
December -4° -22.8° (1917) 22.2° (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 13.9° 25.6° 6° (1967) 36° (1980) 0.15" NA
Sep 2 13.9° 25.6° 7° (2001) 37° (1980) 0.15" NA
Sep 3 13.9° 25.6° 5° (1967) 37° (1953) 0.15" NA
Sep 4 13.9° 25.6° 7° (1946) 34° (1937) 0.15" NA
Sep 5 13.3° 25° 7° (1997) 33° (1983) 0.15" NA
Sep 6 13.3° 25° 6° (1988) 36° (1983) 0.15" NA
Sep 7 13.3° 25° 6° (2000) 33° (1919) 0.15" NA
Sep 8 12.8° 24.4° 6° (1962) 36° (1939) 0.15" NA
Sep 9 12.8° 24.4° 6° (1986) 34° (1964) 0.15" NA
Sep 10 12.8° 24.4° 4° (1956) 36° (1983) 0.15" NA
Sep 11 12.8° 24.4° 4° (1995) 36° (1983) 0.15" NA
Sep 12 12.2° 23.9° 3° (1967) 34° (1931) 0.15" NA
Sep 13 12.2° 23.9° 1° (1911) 34° (1952) 0.15" NA
Sep 14 11.7° 23.9° 2° (1911) 33° (1915) 0.15" NA
Sep 15 11.7° 23.3° 3° (1975) 35° (1927) 0.15" NA
Sep 16 11.7° 23.3° 3° (1923) 35° (1991) 0.15" NA
Sep 17 11.1° 23.3° 4° (2007) 34° (1991) 0.15" NA
Sep 18 11.1° 22.8° 2° (1990) 33° (1914) 0.15" NA
Sep 19 11.1° 22.8° 2° (1943) 34° (1983) 0.15" NA
Sep 20 10.6° 22.8° 3° (1993) 35° (1914) 0.15" NA
Sep 21 10.6° 22.2° 1° (1956) 36° (1914) 0.15" NA
Sep 22 10.6° 22.2° 2° (1997) 36° (1914) 0.14" NA
Sep 23 10° 22.2° 2° (1974) 36° (1914) 0.14" NA
Sep 24 10° 21.7° -1° (1963) 33° (1970) 0.14" NA
Sep 25 9.4° 21.7° 1° (1963) 33° (1970) 0.14" NA
Sep 26 9.4° 21.7° 2° (1967) 32° (2007) 0.14" NA
Sep 27 8.9° 21.1° -1° (1947) 31° (1998) 0.13" NA
Sep 28 8.9° 21.1° 0° (1947) 29° (1945) 0.13" NA
Sep 29 8.9° 20.6° 0° (2000) 31° (1921) 0.13" NA
Sep 30 8.3° 20.6° 1° (2000) 31° (1986) 0.13" NA
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