Custer Park, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 13° 30° -26° (1985) 65° (1997) 1.58" NA
February 19° 35° -20° (1979) 73° (2000) 1.64" NA
March 28° 47° -7° (2002) 86° (1986) 2.46" NA
April 37° 60° 11° (1982) 92° (1986) 3.75" NA
May 48° 72° 30° (2005) 93° (2006) 3.87" NA
June 58° 81° 35° (1985) 104° (1988) 4.22" NA
July 63° 85° 47° (1983) 103° (1995) 4.34" NA
August 61° 82° 39° (1986) 102° (1988) 3.82" NA
September 53° 76° 32° (1983) 97° (1978) 3.14" NA
October 41° 64° 17° (1976) 88° (2007) 2.7" NA
November 31° 48° -2° (1977) 78° (1978) 3" NA
December 20° 35° -20° (1983) 70° (1982) 2.44" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Nov 1 36° 56° 23° (1976) 76° (1990) 0.1" NA
Nov 2 36° 55° 22° (1979) 76° (2001) 0.1" NA
Nov 3 36° 55° 14° (1991) 73° (1975) 0.1" NA
Nov 4 35° 54° 12° (1991) 75° (1987) 0.1" NA
Nov 5 35° 54° 13° (1991) 75° (1978) 0.1" NA
Nov 6 35° 53° 13° (1991) 78° (1978) 0.1" NA
Nov 7 34° 53° 14° (1991) 78° (1975) 0.1" NA
Nov 8 34° 52° 9° (1991) 73° (2001) 0.1" NA
Nov 9 34° 52° 9° (1991) 77° (1999) 0.1" NA
Nov 10 34° 51° 14° (1991) 75° (1999) 0.1" NA
Nov 11 33° 51° 18° (1979) 71° (1999) 0.1" NA
Nov 12 33° 50° 15° (1976) 63° (1982) 0.1" NA
Nov 13 33° 49° 6° (1986) 64° (2007) 0.1" NA
Nov 14 32° 49° 6° (1986) 74° (1989) 0.1" NA
Nov 15 32° 48° 13° (1982) 66° (1990) 0.1" NA
Nov 16 31° 48° 14° (1982) 70° (1990) 0.1" NA
Nov 17 31° 47° 14° (1989) 69° (2001) 0.1" NA
Nov 18 31° 47° 16° (1989) 69° (1975) 0.1" NA
Nov 19 30° 46° 15° (1989) 71° (1999) 0.1" NA
Nov 20 30° 46° 17° (1985) 69° (1991) 0.1" NA
Nov 21 30° 45° 15° (1985) 65° (2003) 0.1" NA
Nov 22 29° 45° 11° (1985) 66° (1990) 0.1" NA
Nov 23 29° 44° 15° (1989) 63° (2003) 0.1" NA
Nov 24 28° 44° 13° (1985) 66° (2003) 0.1" NA
Nov 25 28° 44° 13° (1982) 70° (2001) 0.1" NA
Nov 26 27° 43° -2° (1977) 62° (2006) 0.1" NA
Nov 27 27° 43° 0° (1977) 68° (1990) 0.1" NA
Nov 28 27° 42° 4° (1977) 68° (1989) 0.1" NA
Nov 29 26° 42° 0° (1976) 69° (1998) 0.1" NA
Nov 30 26° 41° 1° (1976) 68° (1998) 0.1" NA
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