Allendale, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 24° 39° -19° (1985) 72° (2000) 3.14" 2"
February 27° 44° -12° (1951) 78° (1996) 3.15" 2.8"
March 36° 54° 0° (1978) 84° (2007) 3.99" 1"
April 46° 66° 20° (2007) 90° (1989) 4.19" 0"
May 56° 75° 32° (2005) 96° (2007) 5.93" 0"
June 66° 84° 43° (1992) 101° (1988) 3.71" 0"
July 69° 87° 50° (2006) 102° (1988) 4.19" 0"
August 67° 86° 43° (1986) 102° (2007) 3.31" 0"
September 58° 80° 33° (1995) 99° (1999) 2.94" 0"
October 46° 68° 24° (1988) 93° (2007) 3.75" 0.1"
November 37° 55° 2° (1950) 85° (2000) 4.23" 0"
December 27° 42° -17° (1989) 73° (1998) 3.51" 2.7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 64° 85° 45° (1987) 97° (1995) 0.09" 0"
Sep 2 64° 84° 49° (1987) 97° (1999) 0.1" 0"
Sep 3 63° 84° 50° (1994) 98° (2002) 0.1" 0"
Sep 4 63° 84° 47° (1997) 99° (1999) 0.09" 0"
Sep 5 63° 84° 45° (1997) 99° (1999) 0.09" 0"
Sep 6 62° 83° 42° (1988) 98° (1998) 0.1" 0"
Sep 7 62° 83° 48° (1988) 99° (1990) 0.1" 0"
Sep 8 61° 83° 40° (1986) 99° (1990) 0.09" 0"
Sep 9 61° 83° 44° (1986) 97° (2002) 0.1" 0"
Sep 10 61° 82° 48° (1986) 99° (1980) 0.09" 0"
Sep 11 60° 82° 47° (1993) 97° (2002) 0.1" 0"
Sep 12 60° 82° 45° (1999) 95° (1983) 0.1" 0"
Sep 13 59° 81° 42° (1986) 96° (1991) 0.1" 0"
Sep 14 59° 81° 42° (1985) 96° (1980) 0.1" 0"
Sep 15 58° 80° 39° (2007) 95° (1991) 0.1" 0"
Sep 16 58° 80° 37° (2007) 94° (1991) 0.1" 0"
Sep 17 58° 80° 43° (1984) 93° (1991) 0.09" 0"
Sep 18 57° 79° 44° (1981) 89° (1948) 0.09" 0"
Sep 19 57° 79° 41° (1991) 93° (1948) 0.09" 0"
Sep 20 56° 78° 37° (1991) 95° (1948) 0.09" 0"
Sep 21 56° 78° 36° (1999) 94° (2007) 0.09" 0"
Sep 22 55° 78° 37° (1983) 97° (2010) 0.1" 0"
Sep 23 55° 77° 35° (1983) 95° (2007) 0.1" 0"
Sep 24 54° 77° 33° (1995) 96° (2007) 0.09" 0"
Sep 25 54° 76° 35° (1995) 93° (2007) 0.11" 0"
Sep 26 53° 76° 34° (2001) 91° (1986) 0.11" 0"
Sep 27 53° 76° 36° (1989) 92° (1986) 0.1" 0"
Sep 28 52° 75° 37° (1984) 93° (1998) 0.11" 0"
Sep 29 52° 75° 37° (1989) 95° (1999) 0.11" 0"
Sep 30 52° 74° 35° (2003) 92° (1986) 0.11" 0"
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