Illinois City, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 15° 32° -28° (1982) 69° (1989) 1.41" 9.5"
February 20° 37° -34° (1996) 69° (2000) 1.62" 5.1"
March 30° 50° -17° (1962) 89° (1986) 2.7" 2"
April 42° 64° 10° (1982) 93° (1952) 3.49" 0.5"
May 52° 74° 26° (2005) 95° (1953) 4.68" 0"
June 62° 83° 39° (1985) 104° (1988) 5.07" 0"
July 66° 86° 45° (1972) 105° (1988) 4.04" 0"
August 64° 84° 39° (1986) 105° (1988) 4.55" 0"
September 55° 78° 26° (1984) 100° (1953) 3.47" 0"
October 43° 65° 17° (1988) 96° (1997) 3.02" 0.1"
November 32° 50° -5° (1977) 81° (1950) 2.47" 0.4"
December 19° 35° -23° (1989) 72° (1998) 2.08" 7.6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jun 1 58° 79° 40° (1993) 94° (2002) 0.17" 0"
Jun 2 58° 79° 43° (1956) 92° (1948) 0.17" 0"
Jun 3 58° 80° 42° (1969) 96° (1972) 0.17" 0"
Jun 4 59° 80° 42° (1950) 94° (1977) 0.17" 0"
Jun 5 59° 80° 41° (1993) 96° (1977) 0.17" 0"
Jun 6 59° 80° 46° (1985) 96° (1952) 0.17" 0"
Jun 7 60° 81° 47° (1985) 94° (1952) 0.17" 0"
Jun 8 60° 81° 48° (1949) 95° (1963) 0.18" 0"
Jun 9 60° 81° 42° (1969) 93° (1964) 0.17" 0"
Jun 10 61° 82° 43° (1966) 95° (1956) 0.17" 0"
Jun 11 61° 82° 41° (1972) 96° (1956) 0.16" 0"
Jun 12 61° 82° 49° (1974) 96° (1952) 0.17" 0"
Jun 13 62° 82° 39° (1985) 99° (1987) 0.17" 0"
Jun 14 62° 83° 50° (1955) 101° (1987) 0.17" 0"
Jun 15 62° 83° 47° (1969) 97° (1987) 0.17" 0"
Jun 16 63° 83° 46° (1961) 96° (1987) 0.18" 0"
Jun 17 63° 83° 46° (1974) 97° (1987) 0.17" 0"
Jun 18 63° 84° 49° (1950) 97° (1953) 0.17" 0"
Jun 19 63° 84° 49° (1970) 99° (1971) 0.17" 0"
Jun 20 64° 84° 45° (1980) 100° (1988) 0.17" 0"
Jun 21 64° 84° 46° (1992) 100° (1988) 0.18" 0"
Jun 22 64° 85° 49° (1972) 97° (1988) 0.17" 0"
Jun 23 64° 85° 47° (1972) 96° (2009) 0.16" 0"
Jun 24 65° 85° 48° (1972) 96° (1983) 0.17" 0"
Jun 25 65° 85° 47° (2004) 104° (1988) 0.16" 0"
Jun 26 65° 85° 50° (2004) 94° (1980) 0.17" 0"
Jun 27 65° 86° 49° (1988) 96° (1971) 0.17" 0"
Jun 28 65° 86° 51° (1968) 97° (1952) 0.16" 0"
Jun 29 66° 86° 52° (1950) 98° (1954) 0.17" 0"
Jun 30 66° 86° 50° (1988) 98° (1963) 0.15" 0"
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