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
Jul 1 66° 89° 53° (1976) 104° (1980) 0.12" NA
Jul 2 66° 89° 55° (1971) 98° (1978) 0.12" NA
Jul 3 66° 89° 52° (1967) 100° (1954) 0.12" NA
Jul 4 66° 89° 47° (1967) 99° (1966) 0.12" NA
Jul 5 66° 89° 47° (1967) 99° (1966) 0.12" NA
Jul 6 66° 89° 43° (1972) 98° (1966) 0.12" NA
Jul 7 66° 89° 47° (1972) 98° (1980) 0.12" NA
Jul 8 66° 89° 50° (1983) 98° (1971) 0.12" NA
Jul 9 66° 89° 52° (1963) 106° (1966) 0.12" NA
Jul 10 66° 89° 52° (1996) 108° (1966) 0.12" NA
Jul 11 67° 89° 53° (1963) 105° (1966) 0.11" NA
Jul 12 67° 90° 53° (1999) 106° (1954) 0.11" NA
Jul 13 67° 90° 52° (1975) 104° (1966) 0.11" NA
Jul 14 67° 90° 49° (1967) 110° (1954) 0.11" NA
Jul 15 67° 90° 51° (1967) 104° (1980) 0.11" NA
Jul 16 67° 90° 50° (1967) 105° (1980) 0.11" NA
Jul 17 67° 90° 50° (1967) 102° (1980) 0.11" NA
Jul 18 67° 90° 49° (1976) 103° (1954) 0.11" NA
Jul 19 67° 90° 50° (1984) 104° (1954) 0.11" NA
Jul 20 67° 90° 56° (1979) 104° (1954) 0.11" NA
Jul 21 67° 90° 47° (1970) 101° (1983) 0.11" NA
Jul 22 67° 90° 47° (1966) 102° (1983) 0.11" NA
Jul 23 67° 90° 56° (1966) 100° (1983) 0.11" NA
Jul 24 67° 90° 55° (2007) 100° (1965) 0.11" NA
Jul 25 67° 90° 55° (1980) 99° (1965) 0.11" NA
Jul 26 67° 90° 52° (1977) 105° (1952) 0.11" NA
Jul 27 66° 90° 46° (1971) 104° (1952) 0.11" NA
Jul 28 66° 90° 53° (2004) 103° (1952) 0.11" NA
Jul 29 66° 90° 52° (1994) 103° (1999) 0.11" NA
Jul 30 66° 90° 50° (1965) 102° (1999) 0.11" NA
Jul 31 66° 89° 49° (1971) 102° (1980) 0.11" NA
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