Naperville, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 14° 32° -26° (1985) 65° (1989) 1.85" NA
February 19° 38° -21° (1977) 74° (2000) 1.56" NA
March 28° 50° -10° (1962) 85° (1986) 2.62" NA
April 38° 63° 4° (1982) 90° (2002) 3.8" NA
May 48° 75° 25° (1966) 95° (1967) 3.94" NA
June 57° 84° 32° (1972) 103° (1988) 3.91" NA
July 63° 87° 41° (1967) 105° (1995) 3.97" NA
August 61° 85° 38° (1963) 100° (1991) 4.6" NA
September 53° 78° 27° (1974) 100° (1953) 3.38" NA
October 42° 67° 14° (1988) 90° (1971) 2.66" NA
November 32° 50° -4° (1950) 78° (1978) 3.2" NA
December 20° 37° -21° (1983) 70° (2001) 2.45" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Nov 1 37° 58° 20° (1976) 78° (1950) 0.1" NA
Nov 2 36° 57° 13° (1951) 75° (1961) 0.1" NA
Nov 3 36° 57° 9° (1951) 75° (1978) 0.1" NA
Nov 4 36° 56° 10° (1951) 75° (1978) 0.1" NA
Nov 5 35° 56° 5° (1951) 78° (1978) 0.1" NA
Nov 6 35° 55° 15° (1973) 74° (1975) 0.11" NA
Nov 7 35° 54° 12° (1991) 73° (2001) 0.11" NA
Nov 8 34° 54° 7° (1991) 77° (1999) 0.11" NA
Nov 9 34° 53° 14° (1995) 76° (1999) 0.11" NA
Nov 10 34° 53° 12° (1986) 75° (1999) 0.11" NA
Nov 11 33° 52° 13° (1950) 71° (1964) 0.11" NA
Nov 12 33° 52° 11° (1976) 67° (1964) 0.11" NA
Nov 13 33° 51° 5° (1986) 74° (1989) 0.11" NA
Nov 14 32° 51° 9° (1986) 74° (1971) 0.11" NA
Nov 15 32° 50° 10° (1959) 70° (1971) 0.11" NA
Nov 16 32° 50° 14° (1976) 69° (1971) 0.11" NA
Nov 17 31° 49° 1° (1959) 71° (1952) 0.11" NA
Nov 18 31° 48° 7° (1959) 73° (1999) 0.11" NA
Nov 19 31° 48° 13° (1951) 72° (1953) 0.11" NA
Nov 20 30° 47° 12° (1969) 66° (1953) 0.11" NA
Nov 21 30° 47° 4° (1964) 64° (1990) 0.11" NA
Nov 22 29° 46° 7° (1964) 68° (1990) 0.11" NA
Nov 23 29° 46° 6° (1950) 65° (2003) 0.11" NA
Nov 24 29° 46° -4° (1950) 67° (1966) 0.11" NA
Nov 25 28° 45° -3° (1950) 62° (2001) 0.11" NA
Nov 26 28° 45° 0° (1977) 62° (1998) 0.1" NA
Nov 27 28° 44° 5° (1977) 67° (1998) 0.1" NA
Nov 28 27° 44° 1° (1955) 70° (1998) 0.1" NA
Nov 29 27° 43° -3° (1976) 67° (1998) 0.1" NA
Nov 30 26° 43° -1° (1958) 68° (1998) 0.1" NA
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