Carol Stream, 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
Feb 1 15° 31° -9° (1985) 61° (1989) 0.05" 0.3"
Feb 2 15° 31° -20° (1976) 50° (1987) 0.06" 0.4"
Feb 3 15° 32° -20° (1996) 55° (1992) 0.05" 0.3"
Feb 4 16° 32° -16° (1996) 54° (1993) 0.05" 0.3"
Feb 5 16° 32° -20° (1979) 57° (2005) 0.06" 0.4"
Feb 6 16° 32° -21° (1977) 56° (2005) 0.05" 0.3"
Feb 7 16° 33° -20° (1977) 50° (1987) 0.06" 0.3"
Feb 8 16° 33° -13° (1951) 61° (1990) 0.06" 0.3"
Feb 9 16° 33° -13° (1951) 60° (1990) 0.06" 0.3"
Feb 10 17° 33° -12° (1982) 62° (1999) 0.06" 0.3"
Feb 11 17° 34° -11° (1955) 70° (1999) 0.06" 0.3"
Feb 12 17° 34° -18° (1967) 68° (1999) 0.07" 0.4"
Feb 13 17° 34° -9° (1988) 55° (1990) 0.06" 0.3"
Feb 14 18° 35° 0° (1970) 60° (1954) 0.07" 0.3"
Feb 15 18° 35° -5° (1963) 66° (1954) 0.07" 0.2"
Feb 16 18° 35° -11° (1958) 59° (1999) 0.06" 0.3"
Feb 17 18° 36° -11° (1958) 57° (1961) 0.07" 0.3"
Feb 18 19° 36° -11° (1978) 59° (1994) 0.07" 0.2"
Feb 19 19° 36° -11° (1978) 60° (1994) 0.07" 0.3"
Feb 20 19° 37° -5° (1959) 63° (1983) 0.07" 0.3"
Feb 21 19° 37° -9° (1963) 60° (1983) 0.07" 0.2"
Feb 22 20° 38° -8° (1963) 62° (1984) 0.07" 0.3"
Feb 23 20° 38° -2° (1967) 68° (2000) 0.08" 0.2"
Feb 24 20° 38° -8° (1967) 64° (1976) 0.08" 0.3"
Feb 25 21° 39° -10° (1967) 74° (2000) 0.08" 0.3"
Feb 26 21° 39° -7° (1967) 72° (2000) 0.08" 0.2"
Feb 27 21° 40° -8° (1994) 70° (1976) 0.08" 0.2"
Feb 28 22° 40° 0° (2008) 67° (1976) 0.08" 0.2"
Feb 29 22° 40° 0° (1980) 67° (2000) 0.08" NA
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