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
Apr 1 40° 63° 22° (1954) 84° (1981) 0.13" NA
Apr 2 41° 63° 25° (1961) 86° (1967) 0.13" NA
Apr 3 41° 64° 23° (1987) 84° (1956) 0.13" NA
Apr 4 41° 64° 23° (1987) 79° (1986) 0.13" NA
Apr 5 41° 65° 24° (1970) 88° (1988) 0.13" NA
Apr 6 42° 65° 23° (1982) 85° (1988) 0.13" NA
Apr 7 42° 65° 19° (1971) 85° (1954) 0.13" NA
Apr 8 42° 66° 18° (2007) 85° (1965) 0.13" NA
Apr 9 43° 66° 22° (1997) 88° (1967) 0.13" NA
Apr 10 43° 66° 25° (1982) 87° (1967) 0.13" NA
Apr 11 43° 67° 22° (1989) 85° (1965) 0.13" NA
Apr 12 44° 67° 25° (1990) 87° (1965) 0.13" NA
Apr 13 44° 67° 25° (1989) 86° (1972) 0.13" NA
Apr 14 44° 68° 26° (1997) 91° (2006) 0.13" NA
Apr 15 44° 68° 29° (1962) 91° (2006) 0.13" NA
Apr 16 45° 68° 29° (1962) 88° (1955) 0.13" NA
Apr 17 45° 69° 27° (1983) 88° (2006) 0.13" NA
Apr 18 45° 69° 28° (2001) 89° (2002) 0.13" NA
Apr 19 46° 69° 25° (1983) 87° (1994) 0.13" NA
Apr 20 46° 69° 26° (1983) 86° (1987) 0.13" NA
Apr 21 46° 70° 28° (1982) 87° (1965) 0.13" NA
Apr 22 47° 70° 29° (1978) 88° (1980) 0.13" NA
Apr 23 47° 70° 29° (1956) 90° (1965) 0.13" NA
Apr 24 47° 71° 32° (1963) 87° (1965) 0.13" NA
Apr 25 47° 71° 31° (1968) 90° (1989) 0.13" NA
Apr 26 48° 71° 32° (1976) 90° (1989) 0.13" NA
Apr 27 48° 72° 34° (1967) 89° (1989) 0.13" NA
Apr 28 48° 72° 30° (1992) 88° (1951) 0.13" NA
Apr 29 49° 72° 31° (1969) 90° (1987) 0.13" NA
Apr 30 49° 73° 33° (1969) 91° (2007) 0.14" NA
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