Aviston, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 23° 43° -27° (1977) 75° (1950) 2.29" 3.3"
February 27° 48° -21° (1982) 81° (2000) 2.31" 3.3"
March 36° 59° -8° (1978) 89° (1997) 3.2" 1.4"
April 46° 70° 18° (2007) 91° (2007) 3.86" 0.2"
May 56° 78° 28° (1976) 97° (1953) 4.9" 0"
June 64° 87° 38° (1972) 104° (1952) 4.26" 0"
July 68° 91° 43° (1972) 110° (1954) 4.05" 0"
August 66° 90° 39° (1986) 105° (2007) 3.3" 0"
September 56° 83° 26° (1995) 103° (1954) 3.28" 0"
October 46° 72° 20° (1981) 95° (1953) 3.44" 0"
November 37° 59° 2° (1991) 84° (1950) 3.92" 0.3"
December 27° 45° -19° (1989) 76° (1970) 2.91" 3.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 67° 91° 50° (1971) 100° (1980) 0.12" 0"
Aug 2 67° 91° 53° (1977) 100° (1964) 0.11" 0"
Aug 3 67° 91° 51° (1965) 104° (1964) 0.11" 0"
Aug 4 67° 91° 49° (1976) 101° (1954) 0.1" 0"
Aug 5 67° 91° 52° (1974) 100° (1956) 0.1" 0"
Aug 6 67° 91° 50° (1997) 99° (1983) 0.1" 0"
Aug 7 67° 91° 46° (1990) 100° (2007) 0.1" 0"
Aug 8 67° 91° 46° (1989) 101° (2007) 0.1" 0"
Aug 9 67° 90° 46° (1989) 101° (2007) 0.1" 0"
Aug 10 67° 90° 46° (1989) 100° (1980) 0.09" 0"
Aug 11 67° 90° 47° (1989) 100° (2005) 0.11" 0"
Aug 12 66° 90° 45° (1967) 101° (2007) 0.1" 0"
Aug 13 66° 90° 46° (1964) 101° (2007) 0.11" 0"
Aug 14 66° 90° 46° (2004) 100° (2007) 0.1" 0"
Aug 15 66° 90° 46° (2004) 105° (2007) 0.11" 0"
Aug 16 66° 90° 48° (2004) 105° (2007) 0.11" 0"
Aug 17 66° 90° 52° (1994) 100° (1988) 0.11" 0"
Aug 18 66° 90° 50° (1989) 101° (1954) 0.11" 0"
Aug 19 65° 90° 51° (1977) 103° (1962) 0.12" 0"
Aug 20 65° 90° 48° (1967) 103° (1962) 0.11" 0"
Aug 21 65° 90° 46° (1967) 101° (2003) 0.12" 0"
Aug 22 65° 90° 50° (1950) 100° (2003) 0.11" 0"
Aug 23 65° 89° 51° (1997) 100° (2007) 0.11" 0"
Aug 24 64° 89° 50° (1966) 100° (2007) 0.1" 0"
Aug 25 64° 89° 50° (1966) 97° (1954) 0.11" 0"
Aug 26 64° 89° 50° (1970) 99° (1983) 0.1" 0"
Aug 27 64° 89° 49° (1967) 99° (1983) 0.11" 0"
Aug 28 63° 89° 43° (1967) 100° (1990) 0.11" 0"
Aug 29 63° 88° 39° (1986) 99° (1990) 0.1" 0"
Aug 30 63° 88° 41° (1986) 98° (1951) 0.1" 0"
Aug 31 62° 88° 44° (1988) 99° (1951) 0.11" 0"
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