Allison, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -8° -32.2° (1994) 21.1° (2006) 2.6" NA
February -6° -23.9° (2004) 25° (2000) 2.51" NA
March 12° -17.8° (1993) 28.3° (2007) 3.6" NA
April 18° -6.7° (1990) 32.2° (1989) 4.28" NA
May 11° 24° -1.1° (1994) 33.9° (2001) 5.13" NA
June 16° 29° 3.3° (1992) 40° (1988) 4.05" NA
July 18° 31° 9.4° (2001) 39.4° (1988) 4.67" NA
August 17° 30° 6.7° (1986) 38.9° (1988) 3.72" NA
September 12° 27° -3.3° (1995) 37.2° (2007) 3.16" NA
October 20° -4.4° (1992) 34.4° (2007) 3.21" NA
November 12° -11.7° (1995) 27.8° (2000) 4.26" NA
December -5° -29.4° (1989) 23.9° (1982) 3.24" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 17.8° 30.6° 12° (1995) 36° (1991) 0.14" NA
Jul 2 17.8° 30.6° 9° (2001) 36° (1991) 0.14" NA
Jul 3 17.8° 30.6° 12.2° (2007) 36° (2002) 0.15" NA
Jul 4 17.8° 30.6° 11° (1996) 36° (1999) 0.15" NA
Jul 5 17.8° 30.6° 12° (1997) 37° (2002) 0.15" NA
Jul 6 17.8° 30.6° 9° (2001) 37° (1988) 0.15" NA
Jul 7 18.3° 30.6° 11° (1983) 36° (1988) 0.15" NA
Jul 8 18.3° 30.6° 11° (1984) 38° (1988) 0.15" NA
Jul 9 18.3° 30.6° 11° (1984) 39° (1988) 0.15" NA
Jul 10 18.3° 31.1° 12° (1996) 39° (1988) 0.15" NA
Jul 11 18.3° 31.1° 12° (1994) 37° (1988) 0.15" NA
Jul 12 18.3° 31.1° 12° (1994) 35° (1989) 0.15" NA
Jul 13 18.3° 31.1° 12° (1996) 35° (1983) 0.16" NA
Jul 14 18.3° 31.1° 12° (2001) 36° (1995) 0.16" NA
Jul 15 18.3° 31.1° 13° (1990) 37° (1988) 0.16" NA
Jul 16 18.3° 31.1° 14° (1987) 38° (1988) 0.16" NA
Jul 17 18.3° 31.1° 14° (1984) 37° (1988) 0.16" NA
Jul 18 18.3° 31.1° 13° (1984) 37° (1988) 0.16" NA
Jul 19 18.3° 31.1° 12° (1984) 36° (1986) 0.16" NA
Jul 20 18.3° 31.1° 12° (1984) 36° (1983) 0.15" NA
Jul 21 18.3° 31.1° 13.9° (2007) 37° (1983) 0.15" NA
Jul 22 18.3° 31.1° 11° (2000) 38° (1983) 0.15" NA
Jul 23 18.3° 31.1° 12° (2000) 38° (1983) 0.15" NA
Jul 24 18.3° 31.1° 11° (2000) 38° (1983) 0.15" NA
Jul 25 18.3° 31.1° 13° (2000) 35° (2001) 0.15" NA
Jul 26 18.3° 31.1° 14° (1991) 36° (1999) 0.15" NA
Jul 27 18.3° 31.1° 13° (1994) 37° (1997) 0.15" NA
Jul 28 18.3° 31.1° 12° (1994) 37° (1997) 0.15" NA
Jul 29 18.3° 31.1° 12° (1994) 36° (2002) 0.14" NA
Jul 30 18.3° 31.1° 11° (1994) 37° (1999) 0.14" NA
Jul 31 18.3° 31.1° 12° (1991) 38° (1999) 0.14" NA
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