Hanover, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 10° 28° -33° (1999) 59° (2002) 1.13" NA
February 14° 34° -35° (1996) 69° (2000) 1.58" NA
March 25° 45° -14° (2002) 85° (1986) 2.23" NA
April 36° 60° 12° (1997) 88° (1986) 3.53" NA
May 46° 70° 21° (2005) 92° (1991) 3.94" NA
June 56° 80° 33° (1993) 101° (1988) 5" NA
July 60° 83° 39° (1995) 101° (1989) 3.72" NA
August 58° 82° 37° (1986) 102° (1988) 4.49" NA
September 48° 74° 19° (1995) 94° (2000) 3.29" NA
October 37° 62° 10° (1988) 91° (1997) 2.95" NA
November 27° 47° -2° (1995) 77° (2000) 2.85" NA
December 15° 33° -29° (2000) 68° (1998) 2.04" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 60° 83° 40° (1988) 94° (1991) 0.11" NA
Jul 2 60° 83° 39° (1995) 89° (1989) 0.1" NA
Jul 3 60° 83° 43° (1995) 90° (1989) 0.11" NA
Jul 4 60° 83° 49° (2005) 92° (1989) 0.1" NA
Jul 5 60° 83° 45° (1997) 94° (1990) 0.11" NA
Jul 6 60° 83° 47° (1992) 97° (1988) 0.11" NA
Jul 7 60° 84° 45° (1997) 96° (1988) 0.1" NA
Jul 8 60° 84° 45° (1995) 96° (1989) 0.12" NA
Jul 9 60° 84° 49° (1996) 95° (1988) 0.13" NA
Jul 10 60° 84° 44° (1996) 98° (1989) 0.12" NA
Jul 11 60° 84° 48° (1996) 101° (1989) 0.13" NA
Jul 12 61° 84° 50° (1999) 92° (1987) 0.12" NA
Jul 13 61° 84° 50° (1999) 94° (1995) 0.12" NA
Jul 14 61° 84° 47° (1987) 99° (1995) 0.12" NA
Jul 15 61° 84° 49° (1987) 96° (1995) 0.11" NA
Jul 16 60° 84° 49° (1985) 101° (1988) 0.12" NA
Jul 17 60° 84° 49° (1985) 95° (2005) 0.12" NA
Jul 18 60° 84° 52° (1989) 94° (1988) 0.11" NA
Jul 19 60° 84° 49° (1995) 93° (1986) 0.11" NA
Jul 20 60° 84° 53° (1995) 95° (1991) 0.11" NA
Jul 21 60° 84° 49° (1995) 94° (1991) 0.12" NA
Jul 22 60° 83° 50° (2000) 96° (2001) 0.11" NA
Jul 23 60° 83° 47° (1985) 93° (1999) 0.12" NA
Jul 24 60° 83° 49° (1991) 98° (2005) 0.13" NA
Jul 25 60° 83° 46° (1991) 95° (1999) 0.13" NA
Jul 26 60° 83° 46° (1991) 93° (1987) 0.14" NA
Jul 27 60° 83° 47° (1991) 95° (1987) 0.14" NA
Jul 28 60° 83° 46° (1994) 95° (1988) 0.13" NA
Jul 29 60° 83° 47° (1994) 96° (1999) 0.13" NA
Jul 30 60° 83° 47° (1991) 97° (1999) 0.15" NA
Jul 31 60° 83° 46° (1997) 97° (1999) 0.14" NA
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