Chicago, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -8° -31.1° (1985) 19.4° (1950) 2.17" NA
February -4° -24.4° (1951) 21.7° (1976) 1.77" NA
March -17.8° (1962) 28.9° (1986) 3.01" NA
April 15° -10.6° (1982) 32.8° (1986) 3.65" NA
May 11° 21° 0° (1954) 34.4° (1991) 3.7" NA
June 16° 27° 5° (1972) 40° (1988) 4.3" NA
July 19° 29° 10.6° (1975) 38.9° (1991) 3.68" NA
August 18° 28° 9.4° (1965) 38.3° (1988) 3.86" NA
September 14° 24° 2.8° (1974) 37.2° (1953) 3.21" NA
October 18° -4.4° (1981) 33.3° (1971) 2.71" NA
November -17.8° (1950) 26.7° (1950) 3.32" NA
December -4° -28.9° (1983) 20.6° (1982) 2.63" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Oct 1 11.1° 21.7° 3° (1958) 33° (1971) 0.09" NA
Oct 2 10.6° 21.1° 2° (1974) 32° (1971) 0.09" NA
Oct 3 10.6° 21.1° 2° (1974) 31° (1954) 0.09" NA
Oct 4 10.6° 21.1° 3° (1989) 31° (1951) 0.09" NA
Oct 5 10° 20.6° 2° (1980) 29° (1963) 0.09" NA
Oct 6 10° 20.6° 1° (1952) 33° (1963) 0.09" NA
Oct 7 9.4° 20° 2° (1964) 30° (1982) 0.09" NA
Oct 8 9.4° 20° 1° (1952) 29° (1949) 0.08" NA
Oct 9 9.4° 20° 1° (1964) 29° (1949) 0.08" NA
Oct 10 8.9° 19.4° 0° (1964) 30° (1962) 0.08" NA
Oct 11 8.9° 19.4° 2° (1964) 31° (1962) 0.08" NA
Oct 12 8.9° 18.9° 1° (1987) 28° (1973) 0.08" NA
Oct 13 8.3° 18.9° 1° (1979) 30° (1975) 0.08" NA
Oct 14 8.3° 18.3° 1° (1979) 30° (1975) 0.08" NA
Oct 15 7.8° 18.3° 2° (1969) 30° (1962) 0.08" NA
Oct 16 7.8° 17.8° 2° (1991) 29° (1963) 0.08" NA
Oct 17 7.8° 17.8° 0° (1948) 29° (1950) 0.08" NA
Oct 18 7.8° 17.2° -3° (1948) 29° (1950) 0.08" NA
Oct 19 7.2° 17.2° -1° (1972) 28° (1953) 0.09" NA
Oct 20 7.2° 17.2° -1° (1972) 29° (1953) 0.09" NA
Oct 21 6.7° 16.7° -1° (1952) 27° (1953) 0.09" NA
Oct 22 6.7° 16.7° -2° (1976) 29° (1953) 0.09" NA
Oct 23 6.7° 16.1° -1° (1981) 30° (1963) 0.09" NA
Oct 24 6.1° 16.1° -4° (1981) 28° (1963) 0.09" NA
Oct 25 6.1° 15.6° -3° (1962) 26° (1973) 0.09" NA
Oct 26 6.1° 15.6° -4° (1962) 28° (1963) 0.09" NA
Oct 27 5.6° 15° 0° (1969) 24° (1950) 0.09" NA
Oct 28 5.6° 15° -1° (1976) 24° (1984) 0.09" NA
Oct 29 5.6° 14.4° -2° (1980) 24° (1950) 0.1" NA
Oct 30 14.4° -3° (1988) 28° (1950) 0.1" NA
Oct 31 13.9° -1° (1988) 29° (1950) 0.1" NA
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