Half Day, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 14° 30° -27° (1982) 63° (1997) 1.89" NA
February 18° 35° -20° (1996) 74° (2000) 1.56" NA
March 28° 45° -5° (2002) 83° (1986) 2.5" NA
April 37° 56° 10° (1982) 90° (2002) 3.7" NA
May 47° 67° 28° (2004) 93° (1991) 3.59" NA
June 56° 78° 37° (1993) 102° (1988) 3.86" NA
July 63° 83° 45° (1982) 105° (1995) 3.5" NA
August 62° 81° 42° (1986) 101° (1991) 4.84" NA
September 54° 75° 30° (1995) 97° (1990) 3.24" NA
October 42° 63° 24° (1992) 89° (2007) 2.7" NA
November 32° 49° 6° (1986) 76° (1999) 3.22" NA
December 20° 36° -20° (1983) 70° (2001) 2.2" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 23° 39° 9° (1995) 65° (2000) 0.06" NA
Mar 2 23° 40° 7° (1995) 66° (1992) 0.06" NA
Mar 3 23° 40° 1° (1996) 61° (1983) 0.06" NA
Mar 4 24° 40° -5° (2002) 72° (1983) 0.06" NA
Mar 5 24° 41° 4° (2002) 70° (1983) 0.07" NA
Mar 6 24° 41° 1° (1982) 66° (1983) 0.07" NA
Mar 7 25° 41° 5° (1984) 72° (2000) 0.07" NA
Mar 8 25° 42° -3° (1982) 79° (2000) 0.07" NA
Mar 9 26° 42° 0° (1984) 78° (2000) 0.07" NA
Mar 10 26° 42° 0° (2003) 63° (1992) 0.07" NA
Mar 11 26° 43° 6° (2003) 68° (2006) 0.07" NA
Mar 12 27° 43° 10° (1984) 73° (1990) 0.07" NA
Mar 13 27° 43° 12° (2005) 78° (1990) 0.07" NA
Mar 14 27° 44° 4° (1993) 76° (1990) 0.08" NA
Mar 15 28° 44° 2° (1993) 77° (1995) 0.08" NA
Mar 16 28° 44° 9° (1997) 69° (1990) 0.08" NA
Mar 17 28° 45° 14° (1993) 69° (2003) 0.08" NA
Mar 18 28° 45° 14° (1993) 75° (2003) 0.08" NA
Mar 19 29° 46° 13° (1989) 59° (1986) 0.08" NA
Mar 20 29° 46° 9° (1986) 62° (2007) 0.09" NA
Mar 21 29° 46° 10° (1986) 66° (2003) 0.09" NA
Mar 22 30° 47° 13° (2002) 72° (1991) 0.09" NA
Mar 23 30° 47° 13° (1983) 69° (1994) 0.09" NA
Mar 24 30° 47° 19° (1983) 70° (1994) 0.09" NA
Mar 25 31° 48° 19° (2001) 74° (2003) 0.09" NA
Mar 26 31° 48° 14° (1996) 80° (2007) 0.1" NA
Mar 27 31° 48° 12° (1996) 80° (2007) 0.1" NA
Mar 28 31° 49° 17° (1982) 79° (1998) 0.1" NA
Mar 29 32° 49° 24° (1982) 76° (2004) 0.1" NA
Mar 30 32° 50° 22° (2003) 83° (1986) 0.1" NA
Mar 31 32° 50° 20° (1987) 79° (1998) 0.11" NA
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