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
May 1 47° 70° 32° (1978) 87° (1988) 0.13" 0"
May 2 47° 70° 30° (1966) 91° (1968) 0.13" 0"
May 3 48° 71° 31° (1976) 88° (1987) 0.13" 0"
May 4 48° 71° 29° (1971) 85° (1980) 0.13" 0"
May 5 48° 71° 36° (1992) 87° (1969) 0.14" 0"
May 6 49° 72° 33° (1992) 85° (1969) 0.14" 0"
May 7 49° 72° 30° (1989) 87° (1986) 0.13" 0"
May 8 50° 72° 34° (1976) 89° (1986) 0.14" 0"
May 9 50° 73° 33° (1980) 88° (1986) 0.14" 0"
May 10 50° 73° 27° (1966) 86° (1979) 0.14" 0"
May 11 51° 73° 36° (1989) 87° (1987) 0.14" 0"
May 12 51° 74° 35° (1969) 88° (1987) 0.15" 0"
May 13 51° 74° 39° (1971) 88° (1982) 0.14" 0"
May 14 52° 74° 38° (1993) 88° (1988) 0.14" 0"
May 15 52° 75° 34° (1973) 91° (1987) 0.13" 0"
May 16 52° 75° 33° (1997) 90° (1998) 0.13" 0"
May 17 53° 75° 36° (1973) 90° (1982) 0.14" 0"
May 18 53° 76° 36° (1973) 91° (1964) 0.13" 0"
May 19 54° 76° 37° (1993) 91° (1996) 0.14" 0"
May 20 54° 76° 38° (1993) 92° (1998) 0.15" 0"
May 21 54° 77° 41° (1968) 93° (1987) 0.15" 0"
May 22 55° 77° 38° (1997) 93° (1987) 0.15" 0"
May 23 55° 77° 42° (1979) 92° (1975) 0.15" 0"
May 24 55° 78° 41° (1992) 91° (1975) 0.15" 0"
May 25 56° 78° 35° (1979) 91° (1967) 0.15" 0"
May 26 56° 78° 35° (1979) 91° (1972) 0.14" 0"
May 27 56° 79° 36° (1992) 93° (1967) 0.15" 0"
May 28 57° 79° 37° (1992) 93° (1987) 0.14" 0"
May 29 57° 79° 36° (1965) 93° (1969) 0.14" 0"
May 30 57° 79° 41° (1966) 93° (1987) 0.15" 0"
May 31 58° 80° 39° (1972) 92° (1988) 0.14" 0"
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