Lancaster, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 24° 39° -19° (1985) 72° (2000) 3.14" 2"
February 27° 44° -12° (1951) 78° (1996) 3.15" 2.8"
March 36° 54° 0° (1978) 84° (2007) 3.99" 1"
April 46° 66° 20° (2007) 90° (1989) 4.19" 0"
May 56° 75° 32° (2005) 96° (2007) 5.93" 0"
June 66° 84° 43° (1992) 101° (1988) 3.71" 0"
July 69° 87° 50° (2006) 102° (1988) 4.19" 0"
August 67° 86° 43° (1986) 102° (2007) 3.31" 0"
September 58° 80° 33° (1995) 99° (1999) 2.94" 0"
October 46° 68° 24° (1988) 93° (2007) 3.75" 0.1"
November 37° 55° 2° (1950) 85° (2000) 4.23" 0"
December 27° 42° -17° (1989) 73° (1998) 3.51" 2.7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 68° 86° 55° (1992) 102° (1980) 0.11" 0"
Aug 2 68° 86° 55° (1992) 100° (2002) 0.11" 0"
Aug 3 68° 86° 56° (1985) 98° (1991) 0.11" 0"
Aug 4 68° 86° 55° (1986) 102° (1991) 0.1" 0"
Aug 5 68° 86° 55° (1948) 101° (2010) 0.11" 0"
Aug 6 68° 86° 52° (1994) 99° (2002) 0.09" 0"
Aug 7 67° 86° 51° (1989) 99° (2007) 0.1" 0"
Aug 8 67° 86° 48° (1989) 100° (2007) 0.1" 0"
Aug 9 67° 86° 51° (1989) 102° (2007) 0.11" 0"
Aug 10 67° 86° 54° (1989) 101° (1980) 0.1" 0"
Aug 11 67° 86° 49° (2008) 100° (1980) 0.11" 0"
Aug 12 67° 86° 47° (2004) 100° (2005) 0.12" 0"
Aug 13 67° 86° 48° (2004) 100° (2007) 0.11" 0"
Aug 14 67° 86° 48° (2004) 98° (2007) 0.11" 0"
Aug 15 67° 86° 49° (2004) 97° (1995) 0.11" 0"
Aug 16 67° 86° 49° (2004) 102° (2007) 0.12" 0"
Aug 17 67° 86° 52° (2008) 100° (1988) 0.11" 0"
Aug 18 67° 86° 52° (2008) 100° (1988) 0.12" 0"
Aug 19 67° 86° 53° (2008) 99° (1988) 0.12" 0"
Aug 20 66° 86° 54° (1999) 98° (1983) 0.11" 0"
Aug 21 66° 86° 45° (1950) 100° (1983) 0.12" 0"
Aug 22 66° 86° 47° (1950) 100° (1983) 0.1" 0"
Aug 23 66° 86° 52° (1997) 99° (1987) 0.11" 0"
Aug 24 66° 86° 53° (1984) 100° (2007) 0.1" 0"
Aug 25 66° 86° 52° (1984) 100° (2007) 0.1" 0"
Aug 26 65° 86° 53° (1984) 98° (1978) 0.09" 0"
Aug 27 65° 85° 54° (1988) 97° (1948) 0.11" 0"
Aug 28 65° 85° 45° (1986) 98° (1948) 0.1" 0"
Aug 29 65° 85° 43° (1986) 100° (2007) 0.1" 0"
Aug 30 64° 85° 44° (1986) 96° (2000) 0.1" 0"
Aug 31 64° 85° 46° (1986) 95° (1995) 0.1" 0"
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