Andover, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 15° 30° -23° (1985) 66° (1989) 1.42" 8"
February 20° 36° -24° (1996) 71° (2000) 1.7" 4.9"
March 30° 48° -13° (1962) 87° (1986) 2.69" 2.4"
April 41° 62° 12° (1982) 92° (1986) 3.66" 0.8"
May 51° 73° 26° (1966) 95° (1991) 4.2" 0"
June 61° 82° 39° (1972) 101° (1971) 4.06" 0"
July 65° 86° 47° (1972) 103° (1983) 4.05" 0"
August 63° 83° 40° (1986) 103° (1988) 4.41" 0"
September 54° 76° 31° (1995) 99° (1971) 3.35" 0"
October 43° 63° 19° (1988) 92° (1997) 3.38" 0"
November 31° 48° -7° (1977) 79° (2000) 2.8" 0.9"
December 19° 34° -20° (1983) 70° (1998) 2.17" 8.2"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jun 1 57° 78° 40° (1993) 94° (2002) 0.14" 0"
Jun 2 57° 78° 44° (1969) 90° (1972) 0.14" 0"
Jun 3 58° 79° 40° (1969) 96° (1972) 0.13" 0"
Jun 4 58° 79° 45° (1993) 95° (1971) 0.14" 0"
Jun 5 58° 79° 41° (1993) 93° (1971) 0.14" 0"
Jun 6 59° 80° 46° (2000) 95° (1971) 0.14" 0"
Jun 7 59° 80° 47° (1977) 95° (1963) 0.13" 0"
Jun 8 59° 80° 48° (1960) 96° (1963) 0.13" 0"
Jun 9 60° 81° 41° (1969) 97° (1968) 0.13" 0"
Jun 10 60° 81° 44° (1966) 98° (1968) 0.13" 0"
Jun 11 60° 81° 39° (1972) 95° (2001) 0.13" 0"
Jun 12 61° 82° 46° (2006) 95° (1987) 0.13" 0"
Jun 13 61° 82° 46° (1985) 96° (1987) 0.13" 0"
Jun 14 61° 82° 50° (1959) 100° (1987) 0.13" 0"
Jun 15 61° 82° 50° (1961) 94° (1994) 0.13" 0"
Jun 16 62° 83° 39° (1961) 99° (1973) 0.14" 0"
Jun 17 62° 83° 46° (1961) 96° (1987) 0.13" 0"
Jun 18 62° 83° 48° (1965) 96° (1987) 0.13" 0"
Jun 19 63° 84° 51° (1970) 101° (1971) 0.13" 0"
Jun 20 63° 84° 46° (2003) 100° (1988) 0.13" 0"
Jun 21 63° 84° 44° (1992) 100° (1988) 0.14" 0"
Jun 22 63° 84° 45° (1963) 96° (2009) 0.14" 0"
Jun 23 64° 84° 46° (1972) 96° (2005) 0.14" 0"
Jun 24 64° 85° 48° (1972) 97° (1971) 0.14" 0"
Jun 25 64° 85° 48° (1979) 100° (1988) 0.14" 0"
Jun 26 64° 85° 51° (2004) 96° (1998) 0.15" 0"
Jun 27 64° 85° 50° (1968) 98° (1971) 0.14" 0"
Jun 28 65° 85° 50° (1968) 99° (1971) 0.14" 0"
Jun 29 65° 85° 52° (1989) 98° (1970) 0.13" 0"
Jun 30 65° 86° 47° (1988) 99° (1970) 0.14" 0"
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