Avon, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 13° 30° -25° (1982) 68° (1950) 1.51" 7.8"
February 17° 35° -24° (1996) 71° (1976) 1.71" 5.9"
March 28° 48° -14° (1960) 86° (1986) 2.76" 2"
April 40° 62° 9° (1982) 91° (1986) 3.72" 0.1"
May 51° 72° 28° (1966) 95° (1956) 4.45" 0"
June 61° 81° 41° (1993) 101° (1988) 4.3" 0"
July 65° 84° 46° (1971) 102° (1983) 4.38" 0"
August 63° 82° 42° (1986) 101° (1983) 3.97" 0"
September 54° 75° 29° (1984) 99° (1953) 3.47" 0"
October 42° 63° 18° (1952) 94° (2006) 2.75" 0"
November 30° 48° -5° (1976) 79° (1950) 2.87" 0.8"
December 18° 34° -22° (1963) 69° (1970) 2.27" 5.9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 60° 80° 43° (1949) 99° (1953) 0.12" 0"
Sep 2 60° 80° 45° (1974) 98° (1953) 0.12" 0"
Sep 3 59° 80° 42° (1974) 93° (1953) 0.12" 0"
Sep 4 59° 80° 39° (1974) 94° (1954) 0.11" 0"
Sep 5 59° 79° 43° (1962) 95° (1954) 0.12" 0"
Sep 6 58° 79° 43° (1988) 95° (1954) 0.12" 0"
Sep 7 58° 79° 39° (1986) 95° (1960) 0.12" 0"
Sep 8 58° 78° 41° (1986) 94° (1971) 0.11" 0"
Sep 9 57° 78° 42° (2008) 95° (1983) 0.12" 0"
Sep 10 57° 78° 42° (1976) 94° (1983) 0.11" 0"
Sep 11 56° 77° 42° (1959) 94° (2000) 0.12" 0"
Sep 12 56° 77° 38° (1955) 94° (1962) 0.11" 0"
Sep 13 55° 77° 36° (1953) 95° (1956) 0.12" 0"
Sep 14 55° 76° 38° (1974) 91° (1971) 0.12" 0"
Sep 15 54° 76° 38° (2007) 92° (1955) 0.11" 0"
Sep 16 54° 76° 38° (2007) 89° (1955) 0.12" 0"
Sep 17 53° 75° 42° (1959) 93° (1954) 0.11" 0"
Sep 18 53° 75° 39° (1981) 93° (1972) 0.12" 0"
Sep 19 52° 74° 34° (1991) 93° (1948) 0.12" 0"
Sep 20 52° 74° 32° (1991) 88° (1959) 0.12" 0"
Sep 21 52° 73° 37° (1983) 88° (1986) 0.12" 0"
Sep 22 51° 73° 33° (1974) 92° (1988) 0.12" 0"
Sep 23 51° 73° 33° (1983) 82° (1999) 0.11" 0"
Sep 24 50° 72° 37° (1989) 90° (2007) 0.12" 0"
Sep 25 50° 72° 38° (1965) 90° (2007) 0.12" 0"
Sep 26 49° 71° 32° (1984) 89° (1998) 0.11" 0"
Sep 27 49° 71° 35° (1985) 87° (1954) 0.11" 0"
Sep 28 48° 70° 34° (1951) 93° (1953) 0.11" 0"
Sep 29 48° 70° 29° (1984) 97° (1953) 0.11" 0"
Sep 30 48° 70° 31° (1984) 90° (1952) 0.1" 0"
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