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
Feb 1 29° -27° (1985) 63° (1989) 0.03" NA
Feb 2 29° -25° (1996) 43° (1990) 0.03" NA
Feb 3 29° -35° (1996) 48° (1992) 0.04" NA
Feb 4 30° -33° (1996) 51° (1992) 0.04" NA
Feb 5 30° -28° (1996) 48° (1991) 0.04" NA
Feb 6 30° -17° (2007) 53° (1990) 0.04" NA
Feb 7 31° -13° (1989) 49° (1998) 0.04" NA
Feb 8 31° -11° (1989) 50° (1987) 0.04" NA
Feb 9 31° -11° (2007) 59° (1990) 0.04" NA
Feb 10 32° -23° (1994) 56° (1999) 0.04" NA
Feb 11 32° -22° (1986) 58° (1999) 0.04" NA
Feb 12 32° -21° (1986) 63° (1999) 0.04" NA
Feb 13 33° -20° (1986) 59° (1990) 0.04" NA
Feb 14 10° 33° -14° (1986) 44° (1987) 0.04" NA
Feb 15 10° 33° -14° (1986) 60° (2006) 0.04" NA
Feb 16 10° 34° -9° (2007) 56° (1999) 0.04" NA
Feb 17 11° 34° -10° (2007) 48° (1998) 0.04" NA
Feb 18 11° 35° -15° (2006) 51° (1994) 0.05" NA
Feb 19 12° 35° -15° (2006) 52° (1994) 0.05" NA
Feb 20 12° 35° -5° (2006) 53° (1994) 0.05" NA
Feb 21 12° 36° -5° (2006) 51° (1992) 0.05" NA
Feb 22 13° 36° 0° (1988) 54° (1991) 0.05" NA
Feb 23 13° 36° -10° (1989) 54° (2000) 0.05" NA
Feb 24 14° 37° -18° (1993) 61° (2000) 0.05" NA
Feb 25 14° 37° -16° (1993) 66° (2002) 0.05" NA
Feb 26 15° 38° -14° (1994) 69° (2000) 0.06" NA
Feb 27 15° 38° -17° (1994) 62° (2000) 0.06" NA
Feb 28 15° 39° -5° (1994) 51° (2000) 0.06" NA
Feb 29 15° 39° 4° (1996) 58° (2000) 0.06" NA
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