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
Jun 1 49° 76° 33° (1993) 91° (1988) 0.16" NA
Jun 2 49° 77° 41° (1986) 92° (1988) 0.16" NA
Jun 3 50° 77° 34° (1994) 86° (1991) 0.16" NA
Jun 4 50° 77° 37° (1994) 83° (1991) 0.17" NA
Jun 5 51° 77° 35° (1993) 85° (1986) 0.17" NA
Jun 6 51° 78° 40° (2000) 86° (1988) 0.17" NA
Jun 7 51° 78° 41° (2000) 88° (1988) 0.18" NA
Jun 8 52° 78° 44° (2007) 92° (1988) 0.18" NA
Jun 9 52° 79° 37° (1994) 94° (1985) 0.18" NA
Jun 10 52° 79° 36° (1988) 91° (1999) 0.18" NA
Jun 11 52° 79° 37° (1988) 89° (1999) 0.18" NA
Jun 12 53° 79° 42° (1995) 88° (2005) 0.18" NA
Jun 13 53° 80° 39° (1995) 90° (1990) 0.18" NA
Jun 14 53° 80° 44° (1985) 93° (1988) 0.18" NA
Jun 15 54° 80° 43° (1999) 95° (1987) 0.18" NA
Jun 16 54° 80° 43° (1989) 91° (1994) 0.18" NA
Jun 17 54° 81° 44° (1999) 91° (1994) 0.18" NA
Jun 18 54° 81° 43° (1999) 92° (1987) 0.18" NA
Jun 19 54° 81° 44° (1999) 95° (1994) 0.18" NA
Jun 20 55° 81° 42° (1985) 91° (1986) 0.18" NA
Jun 21 55° 81° 37° (1992) 101° (1988) 0.17" NA
Jun 22 55° 82° 40° (1992) 100° (1988) 0.17" NA
Jun 23 55° 82° 47° (2001) 97° (1988) 0.17" NA
Jun 24 55° 82° 49° (1990) 93° (1995) 0.16" NA
Jun 25 56° 82° 42° (2004) 93° (2005) 0.16" NA
Jun 26 56° 82° 42° (2004) 97° (1988) 0.16" NA
Jun 27 56° 82° 40° (1992) 94° (1998) 0.15" NA
Jun 28 56° 83° 42° (1992) 94° (1998) 0.15" NA
Jun 29 56° 83° 47° (1989) 92° (1996) 0.14" NA
Jun 30 56° 83° 44° (1988) 94° (1991) 0.13" NA
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