Shawnee, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 22° 42° -22° (1994) 72° (1972) 3.63" 3.2"
February 25° 48° -12° (1996) 77° (1996) 3.9" 2.9"
March 34° 58° 3° (1978) 85° (2007) 4.56" 0.3"
April 43° 69° 16° (1987) 90° (1989) 4.63" 0"
May 53° 76° 31° (2005) 92° (1996) 5.57" 0"
June 62° 84° 39° (1993) 100° (1988) 4.28" 0"
July 66° 88° 47° (1987) 102° (1999) 4.25" 0"
August 64° 88° 36° (1986) 104° (2007) 3.29" 0"
September 56° 81° 32° (2001) 100° (1999) 3.35" 0"
October 43° 70° 18° (1987) 90° (1998) 3.77" 0.2"
November 35° 58° 3° (1986) 84° (2000) 4.31" 0.3"
December 26° 45° -17° (1989) 76° (1982) 4.44" 1.4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 65° 88° 52° (1971) 99° (1999) 0.13" 0"
Aug 2 65° 88° 52° (1992) 100° (1987) 0.13" 0"
Aug 3 65° 88° 54° (1976) 101° (1987) 0.12" 0"
Aug 4 65° 88° 48° (1986) 103° (2010) 0.12" 0"
Aug 5 65° 88° 52° (1992) 104° (2010) 0.12" 0"
Aug 6 65° 88° 51° (1994) 98° (2002) 0.12" 0"
Aug 7 64° 88° 50° (1997) 99° (1991) 0.12" 0"
Aug 8 64° 88° 44° (1989) 99° (1991) 0.11" 0"
Aug 9 64° 88° 47° (1989) 100° (2007) 0.11" 0"
Aug 10 64° 88° 48° (1989) 99° (2007) 0.11" 0"
Aug 11 64° 88° 49° (1989) 100° (2010) 0.11" 0"
Aug 12 64° 88° 51° (1989) 101° (2010) 0.11" 0"
Aug 13 64° 88° 47° (2004) 100° (1999) 0.1" 0"
Aug 14 64° 88° 46° (2004) 98° (1999) 0.11" 0"
Aug 15 64° 88° 49° (1994) 101° (1988) 0.11" 0"
Aug 16 64° 88° 47° (2004) 102° (2007) 0.1" 0"
Aug 17 64° 88° 51° (2004) 104° (2007) 0.1" 0"
Aug 18 64° 88° 50° (1976) 99° (1988) 0.11" 0"
Aug 19 64° 88° 54° (1992) 99° (1995) 0.11" 0"
Aug 20 64° 88° 50° (1987) 97° (1983) 0.09" 0"
Aug 21 63° 88° 53° (1978) 98° (1983) 0.1" 0"
Aug 22 63° 88° 53° (1997) 98° (1983) 0.1" 0"
Aug 23 63° 88° 50° (1997) 99° (2007) 0.09" 0"
Aug 24 63° 88° 50° (1997) 100° (2007) 0.1" 0"
Aug 25 63° 88° 52° (1997) 100° (2007) 0.09" 0"
Aug 26 63° 87° 54° (1986) 97° (1983) 0.1" 0"
Aug 27 62° 87° 51° (1988) 98° (1993) 0.09" 0"
Aug 28 62° 87° 45° (1986) 98° (1990) 0.1" 0"
Aug 29 62° 87° 36° (1986) 99° (2007) 0.09" 0"
Aug 30 62° 87° 39° (1986) 98° (2000) 0.1" 0"
Aug 31 62° 86° 44° (1988) 97° (1995) 0.09" 0"
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