Allison, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -6° -32.2° (1994) 21.1° (2006) 2.7" 2.8"
February -4° -23.9° (2004) 25° (2000) 2.55" 1.8"
March 12° -17.8° (1993) 28.3° (2007) 3.65" 0.6"
April 19° -6.7° (1990) 32.2° (1989) 4.31" 0.1"
May 12° 24° -1.1° (1994) 33.9° (2001) 5.93" 0"
June 17° 29° 3.3° (1992) 40° (1988) 4.19" 0"
July 19° 31° 9.4° (2001) 39.4° (1988) 4.64" 0"
August 18° 31° 6.7° (1986) 38.9° (1988) 3.41" 0"
September 13° 27° -3.3° (1995) 37.2° (2007) 3.37" 0"
October 20° -4.4° (1992) 34.4° (2007) 3.77" 0"
November 13° -11.7° (1995) 27.8° (2000) 4.19" 0"
December -4° -29.4° (1989) 23.9° (1982) 3.42" 2.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 10° 22° 2° (1994) 31° (2001) 0.19" 0"
May 2 10° 22° -1° (1994) 30.6° (2007) 0.2" 0"
May 3 10° 22° 2° (2005) 31° (1987) 0.21" 0"
May 4 10° 22° 1° (2005) 30° (2001) 0.21" 0"
May 5 10° 22° 3° (2005) 32° (2001) 0.2" 0"
May 6 10° 23° 1° (1992) 31° (2001) 0.21" 0"
May 7 11° 23° 1° (1992) 31° (2001) 0.2" 0"
May 8 11° 23° 3° (1989) 31° (1986) 0.2" 0"
May 9 11° 23° 2° (1983) 31° (2004) 0.2" 0"
May 10 11° 23° 4° (1997) 31.1° (2007) 0.2" 0"
May 11 11° 23° 5° (1989) 31° (2005) 0.21" 0"
May 12 12° 24° 3° (1989) 32° (2005) 0.21" 0"
May 13 12° 24° 4° (2001) 31° (2004) 0.21" 0"
May 14 12° 24° 2° (1996) 31° (1998) 0.21" 0"
May 15 12° 24° 6° (1997) 33° (1988) 0.2" 0"
May 16 12° 24° 2° (1997) 33° (2001) 0.2" 0"
May 17 12° 24° 4° (1994) 34° (2001) 0.19" 0"
May 18 13° 25° 3° (2002) 31° (1987) 0.19" 0"
May 19 13° 25° 2° (2002) 32° (1996) 0.19" 0"
May 20 13° 25° 4° (1993) 34° (1998) 0.19" 0"
May 21 13° 25° 3° (2002) 33° (1987) 0.19" 0"
May 22 13° 25° 3° (1997) 33° (1987) 0.19" 0"
May 23 13° 25° 6° (1994) 31° (2004) 0.17" 0"
May 24 14° 25° 7° (1992) 31.7° (2007) 0.18" 0"
May 25 14° 26° 5° (1992) 34° (1996) 0.18" 0"
May 26 14° 26° 5° (1983) 30.6° (2006) 0.17" 0"
May 27 14° 26° 3° (1994) 30° (2006) 0.17" 0"
May 28 14° 26° 3° (1994) 32° (1987) 0.17" 0"
May 29 14° 26° 7° (1994) 33.3° (2006) 0.16" 0"
May 30 15° 27° 4° (1984) 34° (1998) 0.16" 0"
May 31 15° 27° 7° (1984) 34° (1988) 0.17" 0"
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