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
Dec 1 -2.2° 8.3° -9° (2002) 19° (1982) 0.13" NA
Dec 2 -2.8° 8.3° -10° (1985) 19° (1982) 0.13" NA
Dec 3 -2.8° 7.8° -11° (1985) 24° (1982) 0.13" NA
Dec 4 -2.8° 7.8° -13° (1991) 21° (1998) 0.12" NA
Dec 5 -3.3° 7.2° -13° (1991) 22° (1998) 0.12" NA
Dec 6 -3.3° 7.2° -17° (2002) 24° (1982) 0.12" NA
Dec 7 -3.9° 7.2° -14° (2002) 23° (1998) 0.12" NA
Dec 8 -3.9° 6.7° -14.4° (2006) 17° (2004) 0.12" NA
Dec 9 -3.9° 6.7° -21° (1995) 18° (1991) 0.11" NA
Dec 10 -4.4° 6.7° -21° (1995) 15° (1999) 0.11" NA
Dec 11 -4.4° 6.1° -17° (1995) 17° (1996) 0.11" NA
Dec 12 -4.4° 6.1° -12° (1988) 20° (1996) 0.11" NA
Dec 13 -5° 5.6° -13° (1989) 17° (1991) 0.11" NA
Dec 14 -5° 5.6° -16° (1985) 17° (1984) 0.1" NA
Dec 15 -5° 5.6° -16° (1985) 21° (1984) 0.1" NA
Dec 16 -5° -25° (1989) 16° (1984) 0.1" NA
Dec 17 -5.6° -25° (1989) 19° (1984) 0.1" NA
Dec 18 -5.6° -23° (1989) 20° (2006) 0.1" NA
Dec 19 -5.6° 4.4° -21° (1989) 16° (2002) 0.1" NA
Dec 20 -5.6° 4.4° -23° (1989) 17° (1988) 0.1" NA
Dec 21 -6.1° 4.4° -22° (1989) 16° (1988) 0.1" NA
Dec 22 -6.1° 4.4° -29° (1989) 14° (1984) 0.09" NA
Dec 23 -6.1° 3.9° -28° (1989) 17° (1994) 0.09" NA
Dec 24 -6.1° 3.9° -27° (1989) 15° (1988) 0.09" NA
Dec 25 -6.7° 3.9° -24° (2004) 17° (1982) 0.09" NA
Dec 26 -6.7° 3.9° -23° (1983) 17° (1982) 0.09" NA
Dec 27 -6.7° 3.3° -18° (2004) 13° (1994) 0.09" NA
Dec 28 -6.7° 3.3° -18° (2004) 20° (1996) 0.09" NA
Dec 29 -6.7° 3.3° -17° (1988) 19° (1984) 0.09" NA
Dec 30 -7.2° 3.3° -17° (1988) 20° (1984) 0.09" NA
Dec 31 -7.2° 2.8° -17° (1993) 15° (1992) 0.09" NA
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