Historical Weather in Chicago, IL
See 55+ years of weather history for any date in Chicago going back to 1970.
Part of Illinois weather history
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Today in Chicago Weather HistorySee records, averages, and 55+ years of data for today's date
→Monthly Climate Averages
Historical temperature and precipitation averages for Chicago, IL, based on 55+ years of weather data.
Warmest MonthJulyAvg High: 81°F / Low: 68°F
Coldest MonthJanuaryAvg High: 33°F / Low: 21°F
Jan
33°/ 21°
💧 1.6"
Feb
36°/ 23°
💧 3.9"
Mar
46°/ 33°
💧 6.3"
Apr
56°/ 41°
💧 10.4"
May
66°/ 51°
💧 8.9"
Jun
77°/ 62°
💧 10.0"
Jul
81°/ 68°
💧 8.8"
Aug
80°/ 68°
💧 12.6"
Sep
74°/ 61°
💧 7.2"
Oct
63°/ 50°
💧 14.7"
Nov
50°/ 38°
Dec
38°/ 27°
Temperatures in Fahrenheit. Precipitation and snowfall in inches.
Chicago Temperature Records
- Record High: The hottest temperature ever recorded in Chicago, IL is 106°F, set on July 13, 1995.
- Record Low: The coldest temperature ever recorded in Chicago, IL is -27°F, set on January 20, 1985.
- Data Coverage: Based on 22 years of data from NOAA weather station: CHICAGO NORTHERLY IS.
All-Time Record High
106°F
July 13, 1995
All-Time Record Low
-27°F
January 20, 1985
Monthly Temperature Records in Chicago
| Month | Record High | Record Low |
|---|---|---|
| January | 67°F(1989) | -27°F(1985) |
| February | 75°F(1976) | -19°F(1996) |
| March | 88°F(1986) | -12°F(2019) |
| April | 91°F(1986) | 7°F(1982) |
| May | 102°F(2018) | 27°F(1983) |
| June | 104°F(1988) | 36°F(1972) |
| July | 106°F(1995) | 43°F(1979) |
| August | 102°F(1991) | 42°F(1986) |
| September | 100°F(2017) | 28°F(1974) |
| October | 92°F(1971) | 17°F(1981) |
| November | 80°F(2020) | 0°F(1976) |
| December | 72°F(2012) | -25°F(1983) |
Chicago Snow RecordsSee the top 10 snowiest days ever recorded
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