WEATHER IN Chicago
Climate tables. Data for Chicago.
Monthly temperature
| Month | Record low | Average low | Average | Average high | Record high |
| january | -32.8 (1985) | -7.3 | -3.8 | -0.2 | 19.4 (1950) |
| february | -29.4 (1899) | -5.7 | -1.8 | 2.1 | 23.9 (1976) |
| march | -24.4 (1873) | -0.6 | 3.9 | 8.3 | 31.1 (1986) |
| april | -13.9 (1982) | 4.6 | 9.8 | 15.0 | 32.8 (1980) |
| may | -2.8 (1875) | 10.3 | 15.9 | 21.4 | 36.7 (1934) |
| june | 1.7 (1945) | 16.0 | 21.4 | 26.9 | 40.0 (1988) |
| july | 7.2 (1983) | 19.1 | 24.1 | 29.2 | 40.6 (1934) |
| august | 5.6 (1986) | 18.4 | 23.2 | 28.1 | 38.9 (1918) |
| september | -1.7 (1995) | 13.9 | 19.1 | 24.2 | 38.3 (1953) |
| october | -10.0 (1887) | 7.4 | 12.2 | 17.1 | 34.4 (1963) |
| november | -18.9 (1950) | 1.2 | 5.2 | 9.1 | 27.2 (1950) |
| december | -31.7 (1983) | -4.2 | -0.8 | 2.6 | 21.7 (1982) |
| year | -32.8 (1985) | 4.8 | 9.9 | 15.0 | 40.6 (1934) |
Monthly precipitation
| Month | Average | Record low | Record high | Daily high |
| january | 51 | 3 (1981) | 123 (1916) | 70 (1960) |
| february | 50 | 2 (1877) | 152 (1881) | 87 (1997) |
| march | 62 | 7 (1910) | 150 (1976) | 81 (1884) |
| april | 95 | 4 (1899) | 221 (2013) | 97 (1975) |
| may | 114 | 8 (1992) | 197 (1945) | 88 (1981) |
| june | 104 | 3 (1922) | 269 (1892) | 118 (1976) |
| july | 94 | 6 (1936) | 283 (2011) | 174 (2011) |
| august | 108 | 5 (1893) | 434 (1987) | 165 (1987) |
| september | 81 | 0.5 (1979) | 360 (1961) | 169 (2008) |
| october | 87 | 5 (1897) | 306 (1954) | 100 (1954) |
| november | 62 | 8 (1904) | 209 (1985) | 85 (1883) |
| december | 54 | 4 (1896) | 217 (1982) | 114 (1982) |
| year | 937 | 565 (1956) | 1292 (2008) | 174 (2011) |
Number of days with solid, liquid, and mixed precipitation
| Type of precipitation | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Wind speed, m/s
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different wind directions, %
| direction | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Air humidity, %
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Snow cover
| Month | jul | aug | sep | oct | nov | dec | jan | feb | mar | apr | may | jun | Year |
| number of days | |||||||||||||
| height (sm) | |||||||||||||
| max height (sm) |
Cloudy, score
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| total | |||||||||||||
| low |
Number of clear, cloudy and cloudy days
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| Total cloud | |||||||||||||
| Low cloud | |||||||||||||
Number of days with different phenomena
| phenomenon | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different types of clouds, %
| type of clouds | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |