Lancaster, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 21° 38° -19° (1985) 72° (2000) 2.9" NA
February 25° 44° -12° (1951) 78° (1996) 2.73" NA
March 35° 54° 0° (1978) 84° (2007) 4.15" NA
April 44° 66° 20° (2007) 90° (1989) 4.24" NA
May 54° 76° 32° (2005) 96° (2007) 5.12" NA
June 63° 85° 43° (1992) 101° (1988) 3.7" NA
July 67° 89° 50° (2006) 102° (1988) 4.24" NA
August 65° 87° 43° (1986) 102° (2007) 3.61" NA
September 57° 81° 33° (1995) 99° (1999) 2.8" NA
October 45° 70° 24° (1988) 93° (2007) 3.03" NA
November 36° 55° 2° (1950) 85° (2000) 4.19" NA
December 25° 43° -17° (1989) 73° (1998) 3.05" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 66° 88° 54° (1948) 98° (1949) 0.13" NA
Jul 2 66° 88° 51° (2001) 98° (1978) 0.13" NA
Jul 3 67° 88° 52° (2007) 97° (1980) 0.13" NA
Jul 4 67° 88° 55° (1996) 98° (2002) 0.13" NA
Jul 5 67° 88° 54° (1979) 99° (2002) 0.13" NA
Jul 6 67° 88° 50° (2006) 97° (1988) 0.13" NA
Jul 7 67° 88° 53° (1983) 97° (1977) 0.13" NA
Jul 8 67° 88° 55° (1983) 98° (1977) 0.13" NA
Jul 9 67° 88° 54° (2006) 102° (1988) 0.14" NA
Jul 10 67° 88° 56° (1996) 101° (1990) 0.14" NA
Jul 11 67° 88° 56° (1996) 98° (1990) 0.14" NA
Jul 12 67° 89° 54° (2007) 95° (1989) 0.14" NA
Jul 13 67° 89° 57° (2001) 99° (1980) 0.14" NA
Jul 14 67° 89° 54° (2001) 98° (1995) 0.14" NA
Jul 15 67° 89° 56° (1990) 99° (1995) 0.14" NA
Jul 16 67° 89° 57° (1987) 101° (1980) 0.14" NA
Jul 17 68° 89° 56° (1989) 100° (1980) 0.14" NA
Jul 18 68° 89° 58° (1984) 98° (1988) 0.14" NA
Jul 19 68° 89° 55° (1984) 96° (1983) 0.14" NA
Jul 20 68° 89° 55° (2007) 99° (1980) 0.14" NA
Jul 21 68° 89° 51° (2007) 101° (1983) 0.14" NA
Jul 22 67° 89° 52° (2007) 102° (1983) 0.14" NA
Jul 23 67° 89° 53° (2007) 101° (1983) 0.14" NA
Jul 24 67° 89° 53° (2000) 101° (1983) 0.14" NA
Jul 25 67° 89° 55° (2000) 98° (2005) 0.14" NA
Jul 26 67° 89° 52° (2004) 96° (1999) 0.14" NA
Jul 27 67° 89° 52° (2005) 98° (1997) 0.14" NA
Jul 28 67° 89° 52° (2004) 99° (1997) 0.14" NA
Jul 29 67° 89° 56° (1984) 96° (1949) 0.14" NA
Jul 30 67° 89° 57° (1981) 99° (1999) 0.13" NA
Jul 31 67° 88° 57° (1981) 100° (1999) 0.13" NA
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