Wheaton, 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
Apr 1 32° 54° 20° (1954) 83° (1981) 0.1" 0.1"
Apr 2 32° 55° 20° (1961) 82° (2003) 0.11" 0"
Apr 3 32° 55° 15° (1987) 80° (1956) 0.11" 0.1"
Apr 4 33° 55° 15° (1971) 76° (1956) 0.11" 0"
Apr 5 33° 56° 13° (1975) 84° (1988) 0.1" 0"
Apr 6 33° 56° 14° (1982) 83° (1988) 0.12" 0.1"
Apr 7 34° 57° 4° (1982) 84° (2001) 0.11" 0"
Apr 8 34° 57° 7° (1972) 84° (2001) 0.12" 0"
Apr 9 34° 58° 18° (1972) 80° (2001) 0.12" 0"
Apr 10 35° 58° 16° (1989) 84° (1977) 0.13" 0.1"
Apr 11 35° 58° 20° (1989) 83° (1977) 0.12" 0"
Apr 12 35° 59° 18° (1957) 85° (1971) 0.12" 0"
Apr 13 36° 59° 20° (1975) 82° (1971) 0.11" 0"
Apr 14 36° 60° 24° (1957) 85° (2003) 0.12" 0"
Apr 15 37° 60° 26° (1957) 90° (2002) 0.12" 0.1"
Apr 16 37° 61° 23° (1962) 90° (2002) 0.12" 0"
Apr 17 37° 61° 25° (1983) 89° (2002) 0.13" 0"
Apr 18 38° 61° 24° (1983) 90° (2002) 0.12" 0"
Apr 19 38° 62° 18° (1983) 90° (2002) 0.12" 0.1"
Apr 20 38° 62° 25° (1956) 88° (1987) 0.12" 0"
Apr 21 39° 62° 26° (1975) 87° (1987) 0.12" 0"
Apr 22 39° 63° 22° (1978) 90° (1980) 0.12" 0"
Apr 23 39° 63° 22° (1986) 88° (1980) 0.12" 0"
Apr 24 40° 64° 23° (1967) 88° (1990) 0.11" 0"
Apr 25 40° 64° 24° (1967) 88° (1990) 0.12" 0"
Apr 26 40° 64° 21° (1972) 90° (1986) 0.13" 0"
Apr 27 41° 65° 25° (1976) 90° (1986) 0.12" 0"
Apr 28 41° 65° 25° (1992) 86° (1986) 0.13" 0"
Apr 29 41° 65° 26° (1977) 85° (1970) 0.13" 0"
Apr 30 42° 66° 27° (1969) 87° (2001) 0.12" 0"
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