Assumption, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 17° 35° -26° (1994) 68° (1989) 1.92" 4.2"
February 21° 41° -21° (1982) 76° (1972) 2.01" 4"
March 32° 52° -9° (1978) 86° (1981) 2.68" 1"
April 42° 65° 17° (1987) 89° (1987) 3.69" 0"
May 52° 75° 27° (1966) 93° (1987) 4.35" 0"
June 62° 84° 40° (1966) 104° (1988) 4.56" 0"
July 65° 87° 46° (1972) 103° (1988) 3.73" 0"
August 63° 86° 40° (1986) 104° (1988) 3.14" 0"
September 54° 80° 29° (1983) 99° (1990) 3.09" 0"
October 43° 68° 19° (1999) 91° (1971) 3.35" 0"
November 33° 53° 0° (1964) 80° (1978) 3.98" 0.2"
December 22° 39° -21° (1989) 72° (1970) 2.61" 2.7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 60° 84° 44° (1987) 99° (1984) 0.11" 0"
Sep 2 59° 84° 40° (1994) 95° (1984) 0.11" 0"
Sep 3 59° 84° 41° (1994) 96° (1964) 0.11" 0"
Sep 4 59° 83° 43° (1974) 95° (1990) 0.11" 0"
Sep 5 58° 83° 38° (1988) 98° (1990) 0.1" 0"
Sep 6 58° 83° 40° (1988) 99° (1990) 0.11" 0"
Sep 7 58° 83° 41° (1988) 97° (1970) 0.11" 0"
Sep 8 57° 82° 35° (1986) 95° (1971) 0.1" 0"
Sep 9 57° 82° 37° (1986) 99° (1983) 0.11" 0"
Sep 10 56° 82° 39° (1969) 97° (1983) 0.12" 0"
Sep 11 56° 81° 39° (1993) 92° (1964) 0.11" 0"
Sep 12 56° 81° 41° (1968) 90° (1999) 0.11" 0"
Sep 13 55° 81° 35° (1975) 95° (1991) 0.11" 0"
Sep 14 55° 80° 36° (1964) 95° (1971) 0.11" 0"
Sep 15 54° 80° 38° (1979) 92° (1991) 0.11" 0"
Sep 16 54° 80° 38° (1999) 94° (1991) 0.1" 0"
Sep 17 53° 79° 38° (1999) 91° (1978) 0.1" 0"
Sep 18 53° 79° 41° (1984) 95° (1983) 0.09" 0"
Sep 19 53° 79° 35° (1991) 94° (1978) 0.1" 0"
Sep 20 52° 78° 31° (1991) 93° (1978) 0.09" 0"
Sep 21 52° 78° 31° (1991) 92° (1970) 0.09" 0"
Sep 22 51° 77° 31° (1983) 92° (1986) 0.1" 0"
Sep 23 51° 77° 29° (1983) 89° (1986) 0.09" 0"
Sep 24 50° 77° 31° (1992) 86° (1973) 0.1" 0"
Sep 25 50° 76° 32° (1989) 85° (1970) 0.1" 0"
Sep 26 49° 76° 36° (1984) 92° (1999) 0.11" 0"
Sep 27 49° 75° 34° (1985) 90° (1998) 0.1" 0"
Sep 28 49° 75° 35° (1985) 93° (1998) 0.09" 0"
Sep 29 48° 75° 30° (1993) 91° (1986) 0.1" 0"
Sep 30 48° 74° 32° (1993) 92° (1971) 0.09" 0"
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