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
May 1 6.1° 18.9° -1° (1931) 30° (2001) 0.13" NA
May 2 6.1° 18.9° -1° (1925) 32° (2001) 0.13" NA
May 3 6.7° 19.4° 0° (2005) 33° (2001) 0.13" NA
May 4 6.7° 19.4° -1° (2002) 33° (2001) 0.14" NA
May 5 7.2° 19.4° -1° (1976) 33° (1949) 0.14" NA
May 6 7.2° 20° 2° (1920) 33° (1949) 0.14" NA
May 7 7.2° 20° 0° (1970) 34° (1930) 0.14" NA
May 8 7.8° 20° -1° (1997) 34° (1936) 0.14" NA
May 9 7.8° 20.6° -1° (1956) 33° (1936) 0.14" NA
May 10 7.8° 20.6° -1° (1966) 33° (1979) 0.14" NA
May 11 8.3° 20.6° -1° (1966) 33° (1911) 0.14" NA
May 12 8.3° 21.1° 1° (1963) 32° (1948) 0.15" NA
May 13 8.3° 21.1° 1° (1996) 32° (1991) 0.15" NA
May 14 8.9° 21.1° -2° (1996) 31° (1991) 0.15" NA
May 15 8.9° 21.7° 2° (1936) 32° (1940) 0.15" NA
May 16 8.9° 21.7° 3° (2000) 32° (1998) 0.15" NA
May 17 9.4° 21.7° 0° (1956) 33° (1951) 0.15" NA
May 18 9.4° 22.2° 2° (1983) 36° (1962) 0.15" NA
May 19 9.4° 22.2° 2° (2002) 36° (1962) 0.15" NA
May 20 10° 22.2° 0° (2002) 33° (1996) 0.15" NA
May 21 10° 22.8° 0° (2002) 33° (1934) 0.15" NA
May 22 10° 22.8° 1° (2002) 35° (1941) 0.15" NA
May 23 10.6° 22.8° 3° (2002) 35° (1925) 0.15" NA
May 24 10.6° 22.8° 1° (1926) 32° (1936) 0.15" NA
May 25 10.6° 23.3° 1° (1956) 32° (1991) 0.15" NA
May 26 11.1° 23.3° 4° (1956) 34° (1914) 0.15" NA
May 27 11.1° 23.3° 3° (1972) 34° (1914) 0.15" NA
May 28 11.1° 23.9° 3° (1997) 34° (1941) 0.14" NA
May 29 11.7° 23.9° 3° (1949) 35° (1969) 0.14" NA
May 30 11.7° 23.9° 2° (1949) 34° (1987) 0.14" NA
May 31 11.7° 24.4° 3° (1996) 34° (1929) 0.14" NA
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