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
Dec 1 31° 49° 11° (2002) 75° (1970) 0.12" NA
Dec 2 31° 48° 11° (1985) 74° (1982) 0.12" NA
Dec 3 30° 48° 12° (1976) 76° (1970) 0.12" NA
Dec 4 30° 48° 11° (1991) 74° (1970) 0.12" NA
Dec 5 30° 47° 15° (2002) 71° (1956) 0.11" NA
Dec 6 29° 47° 5° (1977) 68° (1951) 0.11" NA
Dec 7 29° 46° 5° (1950) 71° (1966) 0.11" NA
Dec 8 29° 46° 8° (2006) 68° (1966) 0.11" NA
Dec 9 28° 46° 4° (1977) 66° (1965) 0.11" NA
Dec 10 28° 45° 1° (1995) 66° (1971) 0.1" NA
Dec 11 28° 45° 2° (1962) 72° (1949) 0.1" NA
Dec 12 27° 45° -7° (1962) 67° (2006) 0.1" NA
Dec 13 27° 44° -1° (1962) 69° (1948) 0.1" NA
Dec 14 27° 44° 0° (1985) 67° (2006) 0.1" NA
Dec 15 27° 44° -2° (1989) 75° (1948) 0.1" NA
Dec 16 26° 43° -14° (1989) 69° (1984) 0.09" NA
Dec 17 26° 43° -12° (1989) 66° (1984) 0.09" NA
Dec 18 26° 43° -5° (1963) 65° (1984) 0.09" NA
Dec 19 25° 43° -5° (1963) 66° (1976) 0.09" NA
Dec 20 25° 42° -15° (1989) 69° (1988) 0.09" NA
Dec 21 25° 42° -6° (1989) 64° (1949) 0.09" NA
Dec 22 25° 42° -19° (1989) 65° (1965) 0.09" NA
Dec 23 25° 41° -16° (1989) 68° (1982) 0.08" NA
Dec 24 24° 41° -14° (1989) 69° (1955) 0.08" NA
Dec 25 24° 41° -9° (1983) 63° (1982) 0.08" NA
Dec 26 24° 41° 0° (1948) 65° (1971) 0.08" NA
Dec 27 24° 41° 4° (1950) 69° (1971) 0.08" NA
Dec 28 23° 40° -1° (2000) 72° (1984) 0.08" NA
Dec 29 23° 40° -4° (1983) 69° (1984) 0.08" NA
Dec 30 23° 40° -8° (1983) 68° (1965) 0.08" NA
Dec 31 23° 40° -6° (1976) 72° (1951) 0.07" NA
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