Unionville, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 24° 42° -21° (1984) 73° (1967) 3.54" 1.3"
February 28° 47° -9° (1985) 74° (1981) 4.09" 1.7"
March 35° 57° 0° (1978) 83° (1986) 4.17" 0.9"
April 45° 68° 21° (1982) 89° (1987) 4.6" 0"
May 55° 76° 32° (1976) 94° (1987) 5.08" 0"
June 63° 84° 42° (1972) 100° (1988) 3.91" 0"
July 68° 88° 0° (2005) 105° (1999) 4.09" 0"
August 66° 88° 42° (1986) 103° (2007) 2.86" 0"
September 58° 81° 29° (1983) 99° (1999) 3.48" 0"
October 46° 70° 18° (1981) 92° (1999) 3.93" 0"
November 36° 57° 9° (1986) 85° (2000) 4.16" 0.2"
December 27° 45° -13° (1989) 74° (1982) 4.45" 0.9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jun 1 59° 81° 42° (1972) 91° (1988) 0.13" 0"
Jun 2 60° 81° 43° (1982) 96° (1998) 0.14" 0"
Jun 3 60° 81° 49° (1964) 91° (1980) 0.13" 0"
Jun 4 60° 82° 46° (1964) 92° (2002) 0.13" 0"
Jun 5 61° 82° 48° (1988) 97° (1977) 0.14" 0"
Jun 6 61° 82° 48° (1988) 95° (1969) 0.14" 0"
Jun 7 61° 82° 46° (2000) 96° (1963) 0.14" 0"
Jun 8 61° 83° 50° (1983) 97° (1963) 0.13" 0"
Jun 9 62° 83° 48° (1980) 96° (1963) 0.14" 0"
Jun 10 62° 83° 47° (1988) 97° (1963) 0.13" 0"
Jun 11 62° 84° 46° (1988) 98° (1977) 0.13" 0"
Jun 12 63° 84° 46° (1980) 96° (1964) 0.12" 0"
Jun 13 63° 84° 45° (1985) 97° (1984) 0.12" 0"
Jun 14 63° 84° 49° (1985) 97° (1987) 0.13" 0"
Jun 15 63° 85° 53° (1962) 95° (1987) 0.12" 0"
Jun 16 64° 85° 52° (1969) 94° (1987) 0.14" 0"
Jun 17 64° 85° 50° (1974) 98° (1971) 0.13" 0"
Jun 18 64° 85° 49° (2008) 95° (1971) 0.13" 0"
Jun 19 64° 86° 52° (1965) 94° (1984) 0.13" 0"
Jun 20 65° 86° 49° (1980) 94° (1964) 0.13" 0"
Jun 21 65° 86° 49° (1992) 96° (1986) 0.14" 0"
Jun 22 65° 86° 44° (1992) 98° (1988) 0.13" 0"
Jun 23 65° 86° 49° (1972) 100° (1988) 0.14" 0"
Jun 24 66° 86° 48° (1972) 100° (1988) 0.12" 0"
Jun 25 66° 87° 53° (1974) 99° (1971) 0.13" 0"
Jun 26 66° 87° 52° (1974) 100° (1971) 0.13" 0"
Jun 27 66° 87° 55° (1974) 100° (1971) 0.12" 0"
Jun 28 66° 87° 55° (1970) 100° (1978) 0.12" 0"
Jun 29 67° 87° 57° (1974) 99° (1978) 0.13" 0"
Jun 30 67° 87° 57° (2000) 99° (1978) 0.12" 0"
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