Winnetka, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 16° 32° -27° (1982) 63° (1997) 1.81" 11.2"
February 19° 36° -20° (1996) 74° (2000) 1.8" 7.9"
March 28° 45° -5° (2002) 83° (1986) 2.37" 5.4"
April 38° 57° 10° (1982) 90° (2002) 3.58" 0.9"
May 47° 68° 28° (2004) 93° (1991) 4.01" 0"
June 57° 78° 37° (1993) 102° (1988) 3.67" 0"
July 63° 83° 45° (1982) 105° (1995) 3.63" 0"
August 62° 81° 42° (1986) 101° (1991) 4.77" 0"
September 54° 74° 30° (1995) 97° (1990) 3.48" 0"
October 42° 62° 24° (1992) 89° (2007) 3.24" 0.1"
November 33° 49° 6° (1986) 76° (1999) 3.06" 1.4"
December 20° 36° -20° (1983) 70° (2001) 2.4" 6.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 23° 40° 9° (1995) 65° (2000) 0.07" 0.2"
Mar 2 24° 41° 7° (1995) 66° (1992) 0.07" 0.3"
Mar 3 24° 41° 1° (1996) 61° (1983) 0.07" 0.2"
Mar 4 24° 41° -5° (2002) 72° (1983) 0.07" 0.2"
Mar 5 25° 42° 4° (2002) 70° (1983) 0.08" 0.2"
Mar 6 25° 42° 1° (1982) 66° (1983) 0.07" 0.3"
Mar 7 25° 42° 5° (1984) 72° (2000) 0.08" 0.2"
Mar 8 26° 43° -3° (1982) 79° (2000) 0.07" 0.3"
Mar 9 26° 43° 0° (1984) 78° (2000) 0.07" 0.2"
Mar 10 26° 43° 0° (2003) 63° (1992) 0.07" 0.2"
Mar 11 27° 44° 6° (2003) 68° (2006) 0.07" 0.2"
Mar 12 27° 44° 10° (1984) 73° (1990) 0.07" 0.2"
Mar 13 27° 44° 12° (2005) 78° (1990) 0.07" 0.2"
Mar 14 28° 45° 4° (1993) 76° (1990) 0.07" 0.2"
Mar 15 28° 45° 2° (1993) 77° (1995) 0.07" 0.2"
Mar 16 28° 45° 9° (1997) 69° (1990) 0.08" 0.2"
Mar 17 29° 46° 14° (1993) 69° (2003) 0.07" 0.1"
Mar 18 29° 46° 14° (1993) 75° (2003) 0.08" 0.2"
Mar 19 29° 46° 13° (1989) 59° (1986) 0.07" 0.2"
Mar 20 30° 47° 9° (1986) 62° (2007) 0.08" 0.1"
Mar 21 30° 47° 10° (1986) 66° (2003) 0.08" 0.2"
Mar 22 30° 48° 13° (2002) 72° (1991) 0.08" 0.1"
Mar 23 30° 48° 13° (1983) 69° (1994) 0.08" 0.1"
Mar 24 31° 48° 19° (1983) 70° (1994) 0.08" 0.1"
Mar 25 31° 49° 19° (2001) 74° (2003) 0.07" 0.2"
Mar 26 31° 49° 14° (1996) 80° (2007) 0.09" 0.1"
Mar 27 32° 49° 12° (1996) 80° (2007) 0.08" 0.1"
Mar 28 32° 50° 17° (1982) 79° (1998) 0.09" 0.1"
Mar 29 32° 50° 24° (1982) 76° (2004) 0.09" 0.1"
Mar 30 33° 50° 22° (2003) 83° (1986) 0.09" 0.1"
Mar 31 33° 51° 20° (1987) 79° (1998) 0.09" 0.1"
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