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
Oct 1 40° 69° 31° (1993) 82° (1994) 0.09" NA
Oct 2 39° 68° 30° (1985) 80° (2006) 0.09" NA
Oct 3 39° 68° 23° (1987) 84° (2006) 0.09" NA
Oct 4 39° 68° 21° (1989) 91° (1997) 0.09" NA
Oct 5 38° 67° 21° (1989) 81° (2007) 0.08" NA
Oct 6 38° 67° 22° (1988) 86° (1997) 0.08" NA
Oct 7 38° 67° 21° (1988) 87° (2007) 0.08" NA
Oct 8 37° 66° 20° (1987) 86° (2007) 0.08" NA
Oct 9 37° 66° 22° (1987) 83° (1997) 0.08" NA
Oct 10 36° 65° 23° (1994) 76° (1999) 0.08" NA
Oct 11 36° 65° 16° (1987) 76° (1999) 0.08" NA
Oct 12 36° 64° 16° (1987) 82° (1989) 0.08" NA
Oct 13 35° 64° 19° (1988) 82° (1995) 0.08" NA
Oct 14 35° 63° 22° (1993) 79° (1989) 0.08" NA
Oct 15 35° 63° 24° (1995) 78° (1989) 0.08" NA
Oct 16 34° 62° 18° (1995) 83° (1999) 0.08" NA
Oct 17 34° 62° 18° (1995) 77° (1998) 0.08" NA
Oct 18 34° 61° 20° (1992) 77° (1995) 0.07" NA
Oct 19 33° 61° 15° (1992) 75° (2000) 0.08" NA
Oct 20 33° 60° 17° (1992) 80° (2000) 0.08" NA
Oct 21 32° 60° 23° (1991) 78° (2000) 0.08" NA
Oct 22 32° 59° 21° (1990) 77° (2007) 0.08" NA
Oct 23 32° 59° 21° (1990) 79° (1992) 0.08" NA
Oct 24 32° 58° 19° (1999) 77° (1991) 0.08" NA
Oct 25 31° 58° 18° (1987) 78° (1989) 0.08" NA
Oct 26 31° 57° 21° (1988) 78° (1989) 0.08" NA
Oct 27 31° 57° 21° (1994) 76° (1989) 0.08" NA
Oct 28 30° 56° 19° (1987) 74° (1989) 0.08" NA
Oct 29 30° 56° 19° (1988) 72° (1986) 0.08" NA
Oct 30 30° 55° 10° (1988) 78° (2004) 0.08" NA
Oct 31 29° 54° 11° (1988) 71° (1990) 0.08" NA
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