Aviston, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 22° 40° -27° (1977) 75° (1950) 2.02" NA
February 27° 46° -21° (1982) 81° (2000) 2.2" NA
March 35° 57° -8° (1978) 89° (1997) 3.54" NA
April 45° 68° 18° (2007) 91° (2007) 3.91" NA
May 54° 77° 28° (1976) 97° (1953) 4.18" NA
June 63° 86° 38° (1972) 104° (1952) 3.97" NA
July 67° 90° 43° (1972) 110° (1954) 3.51" NA
August 64° 88° 39° (1986) 105° (2007) 3.34" NA
September 56° 82° 26° (1995) 103° (1954) 2.98" NA
October 45° 71° 20° (1981) 95° (1953) 2.87" NA
November 36° 56° 2° (1991) 84° (1950) 3.88" NA
December 27° 44° -19° (1989) 76° (1970) 2.97" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 60° 85° 44° (1987) 100° (1953) 0.11" NA
Sep 2 60° 85° 42° (1967) 100° (1954) 0.11" NA
Sep 3 60° 85° 44° (1967) 96° (1953) 0.11" NA
Sep 4 60° 85° 42° (1974) 102° (1954) 0.11" NA
Sep 5 59° 84° 42° (1974) 103° (1954) 0.11" NA
Sep 6 59° 84° 45° (1976) 102° (1954) 0.1" NA
Sep 7 59° 84° 35° (1988) 99° (1990) 0.1" NA
Sep 8 59° 84° 40° (1988) 98° (1971) 0.1" NA
Sep 9 58° 83° 44° (1986) 98° (1955) 0.1" NA
Sep 10 58° 83° 41° (1969) 95° (1983) 0.1" NA
Sep 11 58° 83° 41° (1970) 95° (1953) 0.1" NA
Sep 12 57° 83° 39° (1968) 97° (1956) 0.1" NA
Sep 13 57° 82° 42° (1975) 97° (1956) 0.1" NA
Sep 14 57° 82° 42° (1999) 101° (1971) 0.1" NA
Sep 15 56° 82° 38° (1979) 100° (1971) 0.1" NA
Sep 16 56° 82° 37° (1966) 97° (1954) 0.1" NA
Sep 17 56° 81° 40° (1999) 93° (1954) 0.1" NA
Sep 18 55° 81° 41° (1981) 97° (1953) 0.1" NA
Sep 19 55° 81° 36° (1991) 97° (1972) 0.1" NA
Sep 20 55° 81° 32° (1991) 95° (1948) 0.1" NA
Sep 21 54° 80° 31° (1991) 96° (1955) 0.1" NA
Sep 22 54° 80° 35° (1983) 92° (1956) 0.1" NA
Sep 23 54° 80° 26° (1995) 94° (2007) 0.1" NA
Sep 24 53° 79° 28° (1989) 92° (2007) 0.09" NA
Sep 25 53° 79° 32° (1989) 91° (1998) 0.09" NA
Sep 26 52° 79° 36° (1989) 91° (1998) 0.09" NA
Sep 27 52° 78° 34° (1991) 93° (1998) 0.09" NA
Sep 28 52° 78° 30° (1989) 98° (1953) 0.09" NA
Sep 29 51° 78° 35° (1992) 101° (1953) 0.09" NA
Sep 30 51° 77° 33° (1992) 94° (1952) 0.09" NA
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