Avon, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 13° 29° -25° (1982) 68° (1950) 1.41" 7.1"
February 19° 35° -24° (1996) 71° (1976) 1.55" 5.6"
March 29° 48° -14° (1960) 86° (1986) 2.84" 3.2"
April 40° 61° 9° (1982) 91° (1986) 3.81" 1.4"
May 51° 73° 28° (1966) 95° (1956) 3.97" 0"
June 61° 81° 41° (1993) 101° (1988) 4.18" 0"
July 65° 85° 46° (1971) 102° (1983) 4.37" 0"
August 63° 82° 42° (1986) 101° (1983) 4.07" 0"
September 55° 75° 29° (1984) 99° (1953) 3.5" 0"
October 43° 63° 18° (1952) 94° (2006) 2.52" 0.1"
November 31° 47° -5° (1976) 79° (1950) 2.72" 1.6"
December 19° 33° -22° (1963) 69° (1970) 2.28" 5.1"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 46° 67° 29° (1978) 89° (1952) 0.13" NA
May 2 46° 68° 31° (1978) 89° (1959) 0.13" NA
May 3 47° 68° 29° (2005) 88° (1949) 0.13" NA
May 4 47° 68° 31° (1954) 90° (1952) 0.13" NA
May 5 47° 69° 34° (1954) 91° (1959) 0.13" NA
May 6 48° 69° 31° (1989) 89° (2004) 0.13" NA
May 7 48° 69° 30° (1981) 88° (1965) 0.13" NA
May 8 49° 70° 33° (1960) 90° (1963) 0.13" NA
May 9 49° 70° 30° (1966) 91° (1963) 0.13" NA
May 10 49° 70° 28° (1966) 88° (1956) 0.13" NA
May 11 50° 71° 36° (1966) 91° (1956) 0.12" NA
May 12 50° 71° 36° (1960) 95° (1956) 0.12" NA
May 13 50° 71° 34° (1971) 89° (1956) 0.12" NA
May 14 51° 72° 36° (1981) 90° (2007) 0.12" NA
May 15 51° 72° 35° (1973) 87° (1960) 0.12" NA
May 16 51° 73° 34° (1997) 90° (2001) 0.12" NA
May 17 52° 73° 35° (1973) 91° (1996) 0.13" NA
May 18 52° 73° 34° (2002) 92° (1964) 0.13" NA
May 19 52° 74° 39° (1968) 91° (1962) 0.13" NA
May 20 53° 74° 33° (1954) 91° (1987) 0.13" NA
May 21 53° 74° 36° (1967) 92° (1987) 0.13" NA
May 22 54° 75° 34° (1963) 91° (1964) 0.13" NA
May 23 54° 75° 37° (1961) 92° (1975) 0.13" NA
May 24 54° 75° 37° (1992) 90° (1950) 0.13" NA
May 25 55° 76° 38° (1992) 93° (1967) 0.13" NA
May 26 55° 76° 36° (1992) 91° (1985) 0.13" NA
May 27 55° 76° 35° (1992) 91° (2006) 0.13" NA
May 28 56° 77° 41° (1965) 93° (2006) 0.13" NA
May 29 56° 77° 35° (1965) 92° (2006) 0.13" NA
May 30 56° 77° 41° (1984) 93° (1953) 0.13" NA
May 31 57° 78° 39° (1972) 91° (1988) 0.13" NA
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