Assumption, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 15° 34° -26° (1994) 68° (1989) 1.67" NA
February 20° 40° -21° (1982) 76° (1972) 1.92" NA
March 30° 52° -9° (1978) 86° (1981) 2.88" NA
April 41° 64° 17° (1987) 89° (1987) 3.72" NA
May 51° 75° 27° (1966) 93° (1987) 4.29" NA
June 61° 84° 40° (1966) 104° (1988) 4.21" NA
July 64° 88° 46° (1972) 103° (1988) 4" NA
August 62° 86° 40° (1986) 104° (1988) 3.34" NA
September 53° 80° 29° (1983) 99° (1990) 2.97" NA
October 42° 68° 19° (1999) 91° (1971) 2.83" NA
November 32° 53° 0° (1964) 80° (1978) 3.44" NA
December 21° 40° -21° (1989) 72° (1970) 2.31" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 64° 88° 51° (1992) 100° (1988) 0.12" NA
Aug 2 64° 88° 52° (1990) 100° (1964) 0.12" NA
Aug 3 64° 88° 50° (1965) 101° (1964) 0.12" NA
Aug 4 64° 88° 52° (1966) 95° (1980) 0.11" NA
Aug 5 64° 88° 47° (1994) 98° (1988) 0.11" NA
Aug 6 63° 87° 42° (1994) 96° (1996) 0.11" NA
Aug 7 63° 87° 43° (1994) 98° (1988) 0.11" NA
Aug 8 63° 87° 45° (1989) 101° (1988) 0.11" NA
Aug 9 63° 87° 49° (1989) 99° (1980) 0.11" NA
Aug 10 63° 87° 49° (1972) 96° (1980) 0.11" NA
Aug 11 63° 87° 48° (1967) 98° (1988) 0.11" NA
Aug 12 63° 87° 49° (1965) 97° (1988) 0.11" NA
Aug 13 63° 87° 40° (1964) 96° (1988) 0.11" NA
Aug 14 62° 87° 49° (1967) 96° (1988) 0.11" NA
Aug 15 62° 87° 46° (1992) 100° (1988) 0.11" NA
Aug 16 62° 86° 47° (1964) 103° (1988) 0.11" NA
Aug 17 62° 86° 51° (1999) 100° (1988) 0.11" NA
Aug 18 62° 86° 53° (1977) 100° (1983) 0.11" NA
Aug 19 61° 86° 54° (1977) 104° (1988) 0.11" NA
Aug 20 61° 86° 51° (1992) 103° (1983) 0.11" NA
Aug 21 61° 86° 48° (1999) 101° (1983) 0.11" NA
Aug 22 61° 86° 48° (1994) 97° (1983) 0.1" NA
Aug 23 61° 85° 49° (1966) 95° (1968) 0.1" NA
Aug 24 60° 85° 48° (1986) 94° (1991) 0.1" NA
Aug 25 60° 85° 50° (1966) 96° (1983) 0.1" NA
Aug 26 60° 85° 50° (1964) 98° (1983) 0.1" NA
Aug 27 59° 85° 48° (1968) 97° (1983) 0.1" NA
Aug 28 59° 85° 42° (1986) 98° (1990) 0.1" NA
Aug 29 59° 85° 40° (1986) 95° (1984) 0.1" NA
Aug 30 59° 84° 42° (1986) 94° (1970) 0.1" NA
Aug 31 58° 84° 45° (1967) 93° (1993) 0.1" NA
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