Historical weather statistics for Chicago, United States
Typical weather in Chicago
July is typically the warmest month, with median daily highs near 28.0 °C and lows near 20.4 °C. January is typically the coolest month, with median daily highs near 0.6 °C and lows near -5.2 °C. Median precipitation probability is highest in April, at about 40.2 %. Median relative humidity reaches its annual high in January, at about 93.9 %. These are historical climate statistics, not a day-to-day forecast.
Monthly values are medians of historical daily weather statistics. They describe typical conditions and are not a forecast.
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| Month | Daily max temperature (°C) | Daily min temperature (°C) | Wind chance (%) | Humidity (%) | Precipitation chance (%) | Snow depth (cm) |
|---|---|---|---|---|---|---|
| January | 0.6 °C | -5.2 °C | 45.5 % | 93.9 % | 33.0 % | 3.9 cm |
| February | 1.1 °C | -5.7 °C | 40.0 % | 93.8 % | 31.7 % | 5.3 cm |
| March | 6.8 °C | -0.8 °C | 33.6 % | 92.6 % | 33.7 % | 0.3 cm |
| April | 13.8 °C | 4.5 °C | 35.0 % | 91.6 % | 40.2 % | 0.0 cm |
| May | 19.9 °C | 10.6 °C | 28.6 % | 92.3 % | 36.7 % | 0.0 cm |
| June | 25.8 °C | 17.5 °C | 26.4 % | 92.0 % | 37.3 % | 0.0 cm |
| July | 28.0 °C | 20.4 °C | 19.5 % | 91.9 % | 35.3 % | 0.0 cm |
| August | 26.9 °C | 19.6 °C | 15.0 % | 91.6 % | 33.3 % | 0.0 cm |
| September | 24.1 °C | 16.6 °C | 23.9 % | 91.9 % | 28.5 % | 0.0 cm |
| October | 16.9 °C | 9.8 °C | 43.6 % | 91.5 % | 33.0 % | 0.0 cm |
| November | 9.9 °C | 2.9 °C | 48.6 % | 91.8 % | 27.2 % | 0.0 cm |
| December | 3.1 °C | -2.0 °C | 50.9 % | 93.8 % | 35.7 % | 0.5 cm |