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
Apr 1 41° 60° 22° (1995) 83° (1986) 0.14" 0"
Apr 2 42° 61° 28° (1995) 82° (2010) 0.14" 0"
Apr 3 42° 61° 22° (1987) 81° (2007) 0.13" 0.1"
Apr 4 42° 62° 22° (2002) 82° (2007) 0.13" 0"
Apr 5 43° 62° 25° (2007) 80° (2005) 0.13" 0"
Apr 6 43° 62° 24° (1982) 85° (1988) 0.13" 0"
Apr 7 43° 63° 21° (2007) 84° (2001) 0.13" 0"
Apr 8 44° 63° 20° (2007) 86° (2001) 0.14" -0.1"
Apr 9 44° 64° 22° (2007) 84° (2001) 0.14" 0"
Apr 10 44° 64° 24° (1997) 86° (2001) 0.13" 0"
Apr 11 45° 64° 28° (1989) 84° (1977) 0.14" 0"
Apr 12 45° 65° 29° (1990) 85° (2001) 0.13" 0"
Apr 13 45° 65° 26° (1950) 83° (1977) 0.13" 0"
Apr 14 46° 65° 25° (1950) 85° (2006) 0.12" 0"
Apr 15 46° 66° 29° (1950) 88° (2006) 0.13" 0"
Apr 16 46° 66° 32° (1949) 86° (1977) 0.13" 0"
Apr 17 47° 66° 28° (1951) 86° (1977) 0.13" 0"
Apr 18 47° 67° 26° (2001) 89° (2002) 0.14" 0"
Apr 19 47° 67° 25° (1983) 85° (2002) 0.14" 0"
Apr 20 48° 67° 28° (1983) 82° (1985) 0.15" 0"
Apr 21 48° 68° 34° (1950) 84° (1987) 0.14" 0"
Apr 22 48° 68° 33° (1978) 87° (1987) 0.14" 0"
Apr 23 49° 68° 31° (1986) 87° (1980) 0.14" 0"
Apr 24 49° 69° 32° (2005) 83° (1990) 0.16" 0"
Apr 25 49° 69° 35° (2005) 85° (1990) 0.15" 0"
Apr 26 50° 69° 34° (2006) 87° (1989) 0.15" 0"
Apr 27 50° 70° 28° (2006) 90° (1989) 0.15" 0"
Apr 28 50° 70° 33° (2006) 90° (1951) 0.16" 0"
Apr 29 51° 70° 37° (1988) 89° (1951) 0.16" 0"
Apr 30 51° 71° 36° (1988) 89° (1951) 0.16" 0"
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