Willowbrook, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 15° 30° -26° (1985) 65° (1989) 1.91" 9.6"
February 18° 35° -21° (1977) 74° (2000) 1.93" 8"
March 27° 47° -10° (1962) 85° (1986) 2.46" 3.7"
April 37° 60° 4° (1982) 90° (2002) 3.55" 0.6"
May 46° 71° 25° (1966) 95° (1967) 4.07" 0"
June 56° 80° 32° (1972) 103° (1988) 4.18" 0"
July 61° 83° 41° (1967) 105° (1995) 4.13" 0"
August 60° 81° 38° (1963) 100° (1991) 4.34" 0"
September 51° 75° 27° (1974) 100° (1953) 3.43" 0"
October 40° 63° 14° (1988) 90° (1971) 3.14" 0"
November 30° 48° -4° (1950) 78° (1978) 3.34" 0.7"
December 19° 34° -21° (1983) 70° (2001) 2.38" 5.4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jan 1 16° 30° -19° (1968) 53° (2007) 0.07" 0.2"
Jan 2 15° 30° -16° (1979) 61° (2000) 0.06" 0.3"
Jan 3 15° 30° -16° (1979) 61° (2004) 0.07" 0.3"
Jan 4 15° 30° -10° (1969) 64° (1997) 0.06" 0.2"
Jan 5 15° 30° -18° (1999) 58° (1997) 0.07" 0.3"
Jan 6 15° 30° -15° (1979) 51° (2007) 0.06" 0.2"
Jan 7 15° 30° -16° (1968) 52° (1965) 0.07" 0.3"
Jan 8 15° 30° -15° (1968) 64° (2008) 0.06" 0.3"
Jan 9 15° 30° -14° (1979) 56° (2002) 0.07" 0.3"
Jan 10 15° 30° -22° (1982) 59° (1975) 0.06" 0.3"
Jan 11 15° 30° -25° (1979) 57° (1975) 0.07" 0.3"
Jan 12 15° 30° -15° (1974) 61° (2005) 0.06" 0.3"
Jan 13 15° 30° -10° (1974) 62° (2005) 0.07" 0.3"
Jan 14 15° 30° -12° (1957) 51° (1952) 0.06" 0.3"
Jan 15 14° 30° -21° (1972) 57° (1952) 0.06" 0.3"
Jan 16 14° 30° -24° (1972) 53° (1986) 0.07" 0.3"
Jan 17 14° 30° -18° (1982) 56° (1990) 0.06" 0.3"
Jan 18 14° 30° -22° (1994) 60° (1996) 0.06" 0.4"
Jan 19 14° 30° -20° (1994) 56° (2006) 0.06" 0.3"
Jan 20 14° 30° -26° (1985) 56° (2006) 0.06" 0.4"
Jan 21 14° 30° -20° (1984) 54° (1986) 0.06" 0.3"
Jan 22 14° 30° -18° (1970) 56° (2002) 0.06" 0.3"
Jan 23 14° 30° -20° (1963) 57° (1967) 0.06" 0.4"
Jan 24 14° 30° -16° (1963) 63° (1967) 0.06" 0.3"
Jan 25 15° 30° -10° (1987) 63° (1967) 0.05" 0.3"
Jan 26 15° 30° -11° (1982) 56° (2002) 0.06" 0.3"
Jan 27 15° 31° -13° (1955) 60° (2002) 0.06" 0.4"
Jan 28 15° 31° -18° (1963) 60° (2002) 0.05" 0.3"
Jan 29 15° 31° -19° (1966) 50° (1968) 0.06" 0.4"
Jan 30 15° 31° -21° (1951) 55° (1988) 0.05" 0.3"
Jan 31 15° 31° -13° (1996) 65° (1989) 0.06" 0.4"
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