Allison, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 21° 38° -26° (1994) 70° (2006) 2.7" 2.8"
February 24° 43° -11° (2004) 77° (2000) 2.55" 1.8"
March 33° 54° 0° (1993) 83° (2007) 3.65" 0.6"
April 44° 66° 20° (1990) 90° (1989) 4.31" 0.1"
May 54° 76° 30° (1994) 93° (2001) 5.93" 0"
June 63° 84° 38° (1992) 104° (1988) 4.19" 0"
July 66° 88° 49° (2001) 103° (1988) 4.64" 0"
August 64° 87° 44° (1986) 102° (1988) 3.41" 0"
September 56° 81° 26° (1995) 99° (2007) 3.37" 0"
October 45° 69° 24° (1992) 94° (2007) 3.77" 0"
November 35° 56° 11° (1995) 82° (2000) 4.19" 0"
December 25° 42° -21° (1989) 75° (1982) 3.42" 2.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 62° 86° 46° (1987) 95° (1995) 0.11" 0"
Sep 2 61° 85° 44° (1994) 95° (1999) 0.1" 0"
Sep 3 61° 85° 45° (1994) 94° (1999) 0.11" 0"
Sep 4 61° 85° 46° (1997) 98° (2007) 0.1" 0"
Sep 5 60° 85° 45° (1997) 99° (2007) 0.1" 0"
Sep 6 60° 84° 43° (1988) 98° (1990) 0.1" 0"
Sep 7 60° 84° 42° (1988) 96° (1990) 0.11" 0"
Sep 8 59° 84° 41° (1986) 98° (1990) 0.11" 0"
Sep 9 59° 83° 46° (1986) 99° (2002) 0.12" 0"
Sep 10 59° 83° 46° (1998) 99° (2002) 0.11" 0"
Sep 11 58° 83° 42° (1993) 96° (1983) 0.12" 0"
Sep 12 58° 82° 45° (1992) 93° (1983) 0.12" 0"
Sep 13 57° 82° 45° (1985) 95° (1991) 0.12" 0"
Sep 14 57° 82° 43° (1996) 98° (1991) 0.12" 0"
Sep 15 56° 81° 42° (2007) 93° (1991) 0.11" 0"
Sep 16 56° 81° 41° (2000) 94° (1991) 0.11" 0"
Sep 17 55° 80° 44° (1999) 91° (1991) 0.11" 0"
Sep 18 55° 80° 39° (1995) 87° (2007) 0.1" 0"
Sep 19 55° 80° 40° (1991) 90° (1983) 0.11" 0"
Sep 20 54° 79° 33° (1991) 92° (1997) 0.11" 0"
Sep 21 54° 79° 36° (1991) 92° (2007) 0.11" 0"
Sep 22 53° 78° 33° (1995) 92° (2007) 0.12" 0"
Sep 23 53° 78° 26° (1995) 92° (1988) 0.12" 0"
Sep 24 52° 78° 28° (1995) 96° (2007) 0.11" 0"
Sep 25 52° 77° 34° (1995) 94° (2007) 0.12" 0"
Sep 26 51° 77° 38° (2001) 90° (1986) 0.12" 0"
Sep 27 51° 76° 34° (1991) 92° (1986) 0.12" 0"
Sep 28 50° 76° 37° (1989) 92° (1998) 0.11" 0"
Sep 29 50° 75° 36° (1993) 92° (1986) 0.12" 0"
Sep 30 50° 75° 32° (1993) 90° (1986) 0.12" 0"
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