Hanover, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 27° -33° (1999) 59° (2002) 1.12" NA
February 10° 34° -35° (1996) 69° (2000) 1.24" NA
March 22° 45° -14° (2002) 85° (1986) 2.58" NA
April 32° 59° 12° (1997) 88° (1986) 3.38" NA
May 43° 71° 21° (2005) 92° (1991) 3.57" NA
June 53° 80° 33° (1993) 101° (1988) 5.07" NA
July 57° 84° 39° (1995) 101° (1989) 2.9" NA
August 55° 81° 37° (1986) 102° (1988) 4.45" NA
September 46° 74° 19° (1995) 94° (2000) 3.63" NA
October 34° 62° 10° (1988) 91° (1997) 2.51" NA
November 24° 46° -2° (1995) 77° (2000) 2.71" NA
December 12° 33° -29° (2000) 68° (1998) 1.77" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jan 1 28° -7° (1988) 50° (2007) 0.04" NA
Jan 2 28° -18° (2001) 55° (2000) 0.04" NA
Jan 3 27° -20° (1985) 56° (2000) 0.04" NA
Jan 4 27° -18° (1985) 54° (1998) 0.04" NA
Jan 5 27° -33° (1999) 58° (1997) 0.04" NA
Jan 6 27° -32° (1999) 50° (2007) 0.04" NA
Jan 7 27° -26° (1986) 42° (2007) 0.04" NA
Jan 8 27° -25° (1986) 42° (1990) 0.04" NA
Jan 9 27° -25° (1986) 43° (2000) 0.04" NA
Jan 10 27° -25° (1988) 53° (2002) 0.04" NA
Jan 11 26° -24° (1988) 45° (2000) 0.04" NA
Jan 12 26° -12° (1997) 47° (2002) 0.04" NA
Jan 13 26° -10° (1997) 53° (2006) 0.04" NA
Jan 14 26° -15° (1994) 47° (1987) 0.04" NA
Jan 15 26° -22° (1994) 46° (1987) 0.04" NA
Jan 16 26° -27° (1994) 53° (1990) 0.04" NA
Jan 17 26° -19° (1997) 53° (1990) 0.04" NA
Jan 18 26° -26° (1994) 55° (1996) 0.03" NA
Jan 19 27° -30° (1994) 54° (1996) 0.03" NA
Jan 20 27° -26° (1985) 51° (2006) 0.03" NA
Jan 21 27° -27° (1994) 41° (1997) 0.03" NA
Jan 22 27° -24° (1991) 47° (1997) 0.03" NA
Jan 23 27° -21° (1991) 49° (2002) 0.03" NA
Jan 24 27° -20° (2000) 52° (2002) 0.03" NA
Jan 25 27° -21° (2000) 47° (1990) 0.03" NA
Jan 26 27° -15° (1985) 52° (2002) 0.03" NA
Jan 27 28° -23° (1988) 55° (2002) 0.03" NA
Jan 28 28° -20° (1988) 59° (2002) 0.03" NA
Jan 29 28° -18° (1997) 48° (2006) 0.03" NA
Jan 30 28° -16° (1991) 46° (2006) 0.04" NA
Jan 31 29° -24° (1996) 52° (1988) 0.04" NA
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