DeKalb, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 10° 27° -27° (1985) 63° (1967) 1.54" 9.1"
February 16° 32° -23° (1996) 69° (2000) 1.4" 7.1"
March 26° 44° -13° (2002) 84° (1986) 2.46" 4.6"
April 37° 58° 8° (1982) 92° (1986) 3.52" 1.4"
May 48° 70° 24° (1989) 95° (1985) 4.21" 0.1"
June 58° 80° 34° (1993) 101° (1988) 4.49" 0"
July 63° 84° 43° (1967) 102° (1995) 4.22" 0"
August 61° 81° 39° (1986) 103° (1988) 4.48" 0"
September 51° 74° 27° (1991) 94° (1990) 3.51" 0"
October 40° 62° 13° (1988) 89° (2007) 2.6" 0.2"
November 28° 45° -8° (1976) 76° (2000) 2.82" 2.1"
December 17° 32° -22° (1983) 66° (1970) 2.13" 8.9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Nov 1 34° 54° 22° (1976) 71° (1974) 0.09" NA
Nov 2 33° 53° 18° (1988) 76° (2000) 0.09" NA
Nov 3 33° 52° 12° (1991) 74° (1978) 0.09" NA
Nov 4 33° 52° 8° (1991) 75° (1978) 0.09" NA
Nov 5 32° 51° 10° (1991) 75° (1978) 0.09" NA
Nov 6 32° 51° 19° (1991) 66° (1975) 0.09" NA
Nov 7 31° 50° 7° (1991) 72° (1966) 0.09" NA
Nov 8 31° 49° 6° (1991) 71° (2001) 0.09" NA
Nov 9 31° 49° 8° (1991) 76° (1999) 0.1" NA
Nov 10 30° 48° 15° (1986) 74° (1999) 0.1" NA
Nov 11 30° 48° 14° (1979) 65° (1999) 0.1" NA
Nov 12 30° 47° 13° (1996) 60° (1982) 0.1" NA
Nov 13 29° 47° 3° (1986) 63° (1978) 0.1" NA
Nov 14 29° 46° 2° (1986) 73° (1989) 0.1" NA
Nov 15 28° 45° 10° (1986) 69° (1990) 0.1" NA
Nov 16 28° 45° 12° (1989) 68° (2001) 0.1" NA
Nov 17 28° 44° 9° (1997) 68° (1971) 0.1" NA
Nov 18 27° 44° 11° (1997) 68° (1979) 0.1" NA
Nov 19 27° 43° 14° (1989) 71° (1999) 0.1" NA
Nov 20 26° 43° 12° (1969) 64° (1982) 0.1" NA
Nov 21 26° 42° 10° (2000) 64° (1990) 0.09" NA
Nov 22 26° 42° 9° (2000) 62° (1990) 0.09" NA
Nov 23 25° 41° 7° (1970) 64° (1966) 0.09" NA
Nov 24 25° 41° 7° (1989) 64° (1966) 0.09" NA
Nov 25 25° 40° 10° (1991) 67° (2001) 0.09" NA
Nov 26 24° 40° -4° (1977) 63° (1984) 0.09" NA
Nov 27 24° 39° 7° (1996) 65° (1990) 0.09" NA
Nov 28 23° 39° 2° (1976) 64° (1998) 0.09" NA
Nov 29 23° 39° -8° (1976) 66° (1998) 0.09" NA
Nov 30 23° 38° -1° (1976) 64° (1998) 0.09" NA
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