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
Aug 1 18.3° 31.1° 10° (1992) 36.1° (2006) 0.14" NA
Aug 2 18.3° 31.1° 12° (1992) 36° (1991) 0.14" NA
Aug 3 18.3° 31.1° 14° (1985) 37° (1991) 0.14" NA
Aug 4 17.8° 30.6° 13° (1992) 38° (1991) 0.13" NA
Aug 5 17.8° 30.6° 12° (1992) 38° (2002) 0.13" NA
Aug 6 17.8° 30.6° 8° (1994) 37° (2002) 0.13" NA
Aug 7 17.8° 30.6° 7° (1994) 36.7° (2007) 0.13" NA
Aug 8 17.8° 30.6° 10° (1989) 37.2° (2007) 0.13" NA
Aug 9 17.8° 30.6° 11° (1989) 37.8° (2007) 0.13" NA
Aug 10 17.8° 30.6° 9° (1994) 36.7° (2007) 0.12" NA
Aug 11 17.8° 30.6° 13° (1989) 36° (1988) 0.12" NA
Aug 12 17.2° 30.6° 9° (2004) 35° (1988) 0.12" NA
Aug 13 17.2° 30.6° 12° (2004) 36.7° (2007) 0.12" NA
Aug 14 17.2° 30.6° 8° (2004) 35.6° (2006) 0.12" NA
Aug 15 17.2° 30° 8° (1994) 35° (1988) 0.12" NA
Aug 16 17.2° 30° 9° (1994) 38° (1988) 0.12" NA
Aug 17 17.2° 30° 12° (1994) 39° (1988) 0.12" NA
Aug 18 16.7° 30° 11° (1992) 38° (1988) 0.12" NA
Aug 19 16.7° 30° 13° (1982) 38° (1988) 0.12" NA
Aug 20 16.7° 30° 11° (1992) 38° (1983) 0.11" NA
Aug 21 16.7° 30° 12° (1992) 34° (1983) 0.11" NA
Aug 22 16.7° 29.4° 12° (1982) 37° (1983) 0.11" NA
Aug 23 16.1° 29.4° 11° (1995) 36.7° (2007) 0.11" NA
Aug 24 16.1° 29.4° 11° (1997) 36.7° (2007) 0.11" NA
Aug 25 16.1° 29.4° 12° (1984) 37.2° (2007) 0.11" NA
Aug 26 16.1° 29.4° 12° (1984) 35° (1983) 0.11" NA
Aug 27 15.6° 29.4° 12° (1984) 36° (1983) 0.11" NA
Aug 28 15.6° 28.9° 9° (1986) 35° (2007) 0.11" NA
Aug 29 15.6° 28.9° 7° (1986) 37.2° (2007) 0.11" NA
Aug 30 15.6° 28.9° 7° (1986) 36° (1993) 0.11" NA
Aug 31 15° 28.9° 10° (1986) 34° (1995) 0.11" NA
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