Naperville, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 15° 30° -26° (1985) 65° (1989) 1.91" 9.6"
February 18° 35° -21° (1977) 74° (2000) 1.93" 8"
March 27° 47° -10° (1962) 85° (1986) 2.46" 3.7"
April 37° 60° 4° (1982) 90° (2002) 3.55" 0.6"
May 46° 71° 25° (1966) 95° (1967) 4.07" 0"
June 56° 80° 32° (1972) 103° (1988) 4.18" 0"
July 61° 83° 41° (1967) 105° (1995) 4.13" 0"
August 60° 81° 38° (1963) 100° (1991) 4.34" 0"
September 51° 75° 27° (1974) 100° (1953) 3.43" 0"
October 40° 63° 14° (1988) 90° (1971) 3.14" 0"
November 30° 48° -4° (1950) 78° (1978) 3.34" 0.7"
December 19° 34° -21° (1983) 70° (2001) 2.38" 5.4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 60° 84° 45° (1982) 100° (1956) 0.13" 0"
Jul 2 61° 84° 44° (2001) 99° (1970) 0.12" 0"
Jul 3 61° 84° 47° (1968) 98° (1970) 0.13" 0"
Jul 4 61° 84° 47° (1972) 97° (1990) 0.14" 0"
Jul 5 61° 84° 43° (1972) 97° (1988) 0.15" 0"
Jul 6 61° 84° 41° (1967) 98° (1988) 0.14" 0"
Jul 7 61° 84° 44° (1983) 99° (1980) 0.15" 0"
Jul 8 61° 84° 48° (1954) 98° (1980) 0.15" 0"
Jul 9 61° 84° 50° (1961) 97° (1988) 0.14" 0"
Jul 10 61° 84° 48° (1963) 100° (1989) 0.14" 0"
Jul 11 62° 84° 47° (1996) 98° (1966) 0.14" 0"
Jul 12 62° 84° 48° (1975) 97° (1995) 0.13" 0"
Jul 13 62° 84° 44° (1975) 104° (1995) 0.13" 0"
Jul 14 62° 84° 47° (1950) 105° (1995) 0.12" 0"
Jul 15 62° 84° 49° (1967) 101° (1988) 0.13" 0"
Jul 16 62° 83° 48° (1967) 101° (1988) 0.13" 0"
Jul 17 62° 83° 47° (1976) 96° (1997) 0.12" 0"
Jul 18 62° 83° 45° (1979) 96° (1966) 0.13" 0"
Jul 19 62° 83° 51° (2003) 98° (1991) 0.12" 0"
Jul 20 62° 83° 46° (1971) 99° (1980) 0.12" 0"
Jul 21 62° 83° 45° (1970) 99° (2002) 0.12" 0"
Jul 22 62° 83° 46° (1970) 100° (1991) 0.13" 0"
Jul 23 62° 83° 49° (1985) 99° (1991) 0.14" 0"
Jul 24 62° 83° 47° (2003) 101° (2005) 0.13" 0"
Jul 25 61° 83° 49° (2008) 101° (2005) 0.13" 0"
Jul 26 61° 83° 46° (1962) 99° (1997) 0.13" 0"
Jul 27 61° 83° 46° (1977) 100° (1955) 0.13" 0"
Jul 28 61° 82° 50° (1977) 100° (1983) 0.14" 0"
Jul 29 61° 82° 47° (1971) 98° (1983) 0.13" 0"
Jul 30 61° 82° 48° (1956) 100° (1999) 0.14" 0"
Jul 31 61° 82° 45° (1971) 104° (1999) 0.15" 0"
Advertisements
Track Severe Weather on mobile