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
May 1 51° 74° 33° (1963) 90° (2007) 0.15" 0"
May 2 52° 74° 30° (1978) 90° (1952) 0.15" 0"
May 3 52° 75° 30° (1967) 90° (1949) 0.17" 0"
May 4 52° 75° 28° (1976) 90° (1952) 0.16" 0"
May 5 52° 75° 34° (1979) 93° (1952) 0.16" 0"
May 6 53° 76° 33° (1968) 90° (1949) 0.16" 0"
May 7 53° 76° 33° (1992) 89° (1986) 0.16" 0"
May 8 53° 76° 34° (1976) 90° (1963) 0.16" 0"
May 9 54° 76° 32° (1980) 88° (1966) 0.15" 0"
May 10 54° 77° 29° (1966) 88° (1963) 0.16" 0"
May 11 54° 77° 35° (1989) 87° (2001) 0.16" 0"
May 12 55° 77° 33° (1989) 91° (1956) 0.17" 0"
May 13 55° 78° 38° (1971) 88° (1956) 0.16" 0"
May 14 55° 78° 40° (1971) 90° (1987) 0.16" 0"
May 15 55° 78° 39° (1973) 91° (2001) 0.15" 0"
May 16 56° 78° 34° (1997) 93° (2001) 0.16" 0"
May 17 56° 79° 39° (1973) 93° (2001) 0.16" 0"
May 18 56° 79° 36° (2002) 91° (1964) 0.15" 0"
May 19 57° 79° 41° (2002) 93° (1998) 0.16" 0"
May 20 57° 80° 39° (1981) 93° (1998) 0.16" 0"
May 21 57° 80° 39° (1986) 93° (1987) 0.16" 0"
May 22 58° 80° 38° (2002) 92° (1975) 0.16" 0"
May 23 58° 80° 40° (1961) 92° (1975) 0.15" 0"
May 24 58° 81° 43° (1956) 94° (1996) 0.16" 0"
May 25 58° 81° 39° (1979) 94° (1953) 0.16" 0"
May 26 59° 81° 38° (1979) 97° (1953) 0.16" 0"
May 27 59° 82° 39° (1961) 92° (1978) 0.16" 0"
May 28 59° 82° 41° (1971) 92° (2006) 0.15" 0"
May 29 60° 82° 39° (1984) 92° (1953) 0.16" 0"
May 30 60° 83° 41° (1984) 93° (1969) 0.16" 0"
May 31 60° 83° 40° (1966) 92° (1953) 0.15" 0"
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