Chicago Bmc, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 14° 30° -27° (1985) 67° (1950) 1.75" 11.3"
February 19° 35° -21° (1899) 75° (1976) 1.63" 8.3"
March 29° 46° -12° (1873) 88° (1986) 2.65" 6"
April 38° 58° 7° (1982) 91° (1980) 3.68" 1.6"
May 47° 70° 27° (1983) 98° (1934) 3.38" 0"
June 57° 79° 35° (1945) 104° (1988) 3.63" 0"
July 63° 84° 45° (1983) 105° (1934) 3.51" 0"
August 62° 81° 42° (1986) 102° (1918) 4.62" 0"
September 54° 74° 29° (1995) 101° (1953) 3.27" 0"
October 42° 62° 14° (1887) 94° (1963) 2.71" 0.3"
November 32° 47° -2° (1950) 81° (1950) 3.01" 1.8"
December 20° 34° -25° (1983) 71° (1982) 2.43" 8.7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 26° 40° -6° (1893) 68° (1970) 0.09" NA
Dec 2 25° 39° -1° (1942) 71° (1982) 0.09" NA
Dec 3 25° 39° -5° (1940) 71° (1970) 0.09" NA
Dec 4 24° 38° 0° (1893) 66° (1998) 0.09" NA
Dec 5 24° 38° 4° (2005) 68° (2001) 0.09" NA
Dec 6 24° 38° 0° (2007) 65° (1980) 0.09" NA
Dec 7 23° 37° -6° (1882) 64° (1916) 0.09" NA
Dec 8 23° 37° -7° (1882) 64° (1946) 0.09" NA
Dec 9 23° 36° -14° (1876) 62° (1879) 0.08" NA
Dec 10 22° 36° -8° (1978) 62° (1879) 0.08" NA
Dec 11 22° 36° -5° (1972) 61° (1949) 0.08" NA
Dec 12 22° 35° -8° (2000) 61° (1877) 0.08" NA
Dec 13 21° 35° -13° (1903) 67° (1975) 0.08" NA
Dec 14 21° 35° -9° (1901) 66° (1975) 0.08" NA
Dec 15 20° 34° -12° (1901) 64° (1971) 0.08" NA
Dec 16 20° 34° -12° (1951) 60° (1984) 0.08" NA
Dec 17 20° 34° -7° (1951) 60° (1977) 0.08" NA
Dec 18 20° 33° -11° (1983) 62° (1877) 0.08" NA
Dec 19 19° 33° -14° (1983) 64° (1877) 0.08" NA
Dec 20 19° 33° -9° (1963) 67° (1877) 0.07" NA
Dec 21 19° 33° -14° (1989) 62° (1967) 0.07" NA
Dec 22 18° 32° -21° (1872) 57° (1957) 0.07" NA
Dec 23 18° 32° -21° (1983) 62° (1982) 0.07" NA
Dec 24 18° 32° -25° (1983) 64° (1889) 0.07" NA
Dec 25 17° 32° -17° (1983) 64° (1982) 0.07" NA
Dec 26 17° 31° -11° (1983) 55° (1971) 0.07" NA
Dec 27 17° 31° -10° (1950) 61° (1982) 0.07" NA
Dec 28 17° 31° -13° (1924) 69° (1984) 0.07" NA
Dec 29 16° 31° -15° (1880) 63° (1984) 0.07" NA
Dec 30 16° 31° -7° (1909) 61° (1884) 0.07" NA
Dec 31 16° 30° -10° (1967) 68° (1875) 0.06" NA
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