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
May 1 8.3° 21.1° 2° (1994) 31° (2001) 0.16" NA
May 2 8.9° 21.1° -1° (1994) 30.6° (2007) 0.16" NA
May 3 8.9° 21.7° 2° (2005) 31° (1987) 0.17" NA
May 4 8.9° 21.7° 1° (2005) 30° (2001) 0.17" NA
May 5 9.4° 22.2° 3° (2005) 32° (2001) 0.17" NA
May 6 9.4° 22.2° 1° (1992) 31° (2001) 0.17" NA
May 7 9.4° 22.2° 1° (1992) 31° (2001) 0.17" NA
May 8 10° 22.8° 3° (1989) 31° (1986) 0.17" NA
May 9 10° 22.8° 2° (1983) 31° (2004) 0.17" NA
May 10 10.6° 22.8° 4° (1997) 31.1° (2007) 0.17" NA
May 11 10.6° 23.3° 5° (1989) 31° (2005) 0.17" NA
May 12 10.6° 23.3° 3° (1989) 32° (2005) 0.17" NA
May 13 11.1° 23.3° 4° (2001) 31° (2004) 0.17" NA
May 14 11.1° 23.9° 2° (1996) 31° (1998) 0.17" NA
May 15 11.1° 23.9° 6° (1997) 33° (1988) 0.17" NA
May 16 11.1° 23.9° 2° (1997) 33° (2001) 0.17" NA
May 17 11.7° 24.4° 4° (1994) 34° (2001) 0.17" NA
May 18 11.7° 24.4° 3° (2002) 31° (1987) 0.17" NA
May 19 11.7° 24.4° 2° (2002) 32° (1996) 0.17" NA
May 20 12.2° 25° 4° (1993) 34° (1998) 0.17" NA
May 21 12.2° 25° 3° (2002) 33° (1987) 0.17" NA
May 22 12.2° 25° 3° (1997) 33° (1987) 0.17" NA
May 23 12.8° 25° 6° (1994) 31° (2004) 0.16" NA
May 24 12.8° 25.6° 7° (1992) 31.7° (2007) 0.16" NA
May 25 12.8° 25.6° 5° (1992) 34° (1996) 0.16" NA
May 26 13.3° 25.6° 5° (1983) 30.6° (2006) 0.16" NA
May 27 13.3° 26.1° 3° (1994) 30° (2006) 0.16" NA
May 28 13.3° 26.1° 3° (1994) 32° (1987) 0.16" NA
May 29 13.9° 26.1° 7° (1994) 33.3° (2006) 0.15" NA
May 30 13.9° 26.7° 4° (1984) 34° (1998) 0.15" NA
May 31 13.9° 26.7° 7° (1984) 34° (1988) 0.15" NA
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