Chatsworth, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 16° 33° -25° (1985) 66° (2005) 2.25" 7.8"
February 19° 38° -20° (1996) 74° (2000) 2.52" 5.9"
March 28° 50° -4° (2002) 86° (1981) 2.77" 3.2"
April 39° 63° 7° (1982) 93° (1986) 3.64" 1"
May 49° 74° 25° (1971) 97° (1991) 4.44" 0"
June 60° 83° 37° (1972) 106° (1988) 3.8" 0"
July 63° 86° 42° (1972) 105° (1988) 4.76" 0"
August 60° 84° 37° (1986) 108° (1988) 3.9" 0"
September 52° 78° 26° (1995) 98° (1990) 2.58" 0"
October 41° 66° 17° (1981) 91° (2007) 3.27" 0.1"
November 32° 51° 0° (1977) 80° (2000) 3.4" 1"
December 20° 36° -23° (1983) 70° (1982) 3.11" 6.4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jan 1 16° 33° -10° (1974) 62° (2005) 0.08" 0.2"
Jan 2 16° 33° -9° (1979) 55° (2005) 0.07" 0.3"
Jan 3 16° 33° -8° (2010) 63° (2006) 0.08" 0.2"
Jan 4 16° 33° -8° (1969) 59° (1997) 0.07" 0.2"
Jan 5 16° 33° -21° (1999) 64° (1997) 0.08" 0.3"
Jan 6 16° 32° -18° (1999) 57° (1998) 0.07" 0.2"
Jan 7 16° 32° -12° (1970) 63° (2008) 0.08" 0.3"
Jan 8 16° 32° -11° (1970) 67° (2008) 0.07" 0.2"
Jan 9 16° 32° -10° (1988) 59° (2008) 0.07" 0.2"
Jan 10 16° 32° -24° (1982) 59° (1975) 0.07" 0.3"
Jan 11 16° 32° -15° (1977) 57° (1975) 0.06" 0.2"
Jan 12 15° 32° -17° (1974) 54° (1995) 0.07" 0.3"
Jan 13 15° 32° -11° (1974) 66° (2005) 0.06" 0.2"
Jan 14 15° 32° -10° (1979) 52° (2006) 0.07" 0.2"
Jan 15 15° 32° -20° (1979) 56° (1990) 0.06" 0.3"
Jan 16 15° 32° -21° (1977) 63° (1990) 0.08" 0.2"
Jan 17 15° 32° -19° (2009) 60° (1990) 0.07" 0.3"
Jan 18 15° 33° -19° (1994) 58° (1996) 0.08" 0.3"
Jan 19 15° 33° -19° (1994) 61° (1996) 0.08" 0.2"
Jan 20 15° 33° -25° (1985) 57° (2006) 0.08" 0.3"
Jan 21 15° 33° -22° (1985) 59° (1986) 0.07" 0.2"
Jan 22 15° 33° -8° (1970) 54° (1986) 0.07" 0.3"
Jan 23 15° 33° -7° (1987) 58° (2002) 0.08" 0.3"
Jan 24 15° 33° -13° (1987) 60° (2002) 0.07" 0.2"
Jan 25 16° 33° -11° (2008) 53° (1973) 0.07" 0.3"
Jan 26 16° 33° -10° (1987) 52° (2002) 0.07" 0.2"
Jan 27 16° 33° -8° (2003) 57° (2002) 0.08" 0.3"
Jan 28 16° 33° -16° (1977) 62° (2002) 0.07" 0.3"
Jan 29 16° 34° -12° (1972) 65° (2002) 0.07" 0.3"
Jan 30 16° 34° -7° (2004) 57° (1988) 0.07" 0.2"
Jan 31 16° 34° -11° (1972) 66° (1989) 0.08" 0.3"
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