Weather in Chicago, Illinois, United States
Historical monthly conditions · 2021–2025
Monthly averages
Average daily air-temperature lows/highs and peak wind gusts. Rain is the average monthly total.
| Month | Avg low | Avg high | Rain | Cloud cover | Avg peak gust |
|---|---|---|---|---|---|
| January | -5°C | 0°C | 73.2 mm | 75% | 41.9 km/h |
| February | -5°C | 2°C | 54.8 mm | 61% | 44.2 km/h |
| March | 1°C | 9°C | 99.2 mm | 63% | 46.7 km/h |
| April | 5°C | 13°C | 84.2 mm | 62% | 44.8 km/h |
| May | 11°C | 18°C | 101.3 mm | 61% | 38.9 km/h |
| June | 17°C | 25°C | 114.0 mm | 51% | 38.1 km/h |
| July | 20°C | 26°C | 93.1 mm | 53% | 32.7 km/h |
| August | 19°C | 26°C | 72.2 mm | 50% | 33.9 km/h |
| September | 16°C | 24°C | 57.1 mm | 44% | 34.3 km/h |
| October | 10°C | 18°C | 102.1 mm | 50% | 41.1 km/h |
| November | 3°C | 10°C | 60.2 mm | 59% | 44.2 km/h |
| December | -2°C | 4°C | 74.6 mm | 73% | 44.1 km/h |
Weather match by month
Feels like 15°C–30°C · cloud ≤60% · rain ≤0.1 mm/h · gust ≤50 km/h
Feels-like temperature accounts for humidity and wind in shade. Percentages cover 08:00–20:00 local solar time.
| Month | Match rate | |
|---|---|---|
| January | 0.0% | |
| February | <0.1% | |
| March | <0.1% | |
| April | 4.0% | |
| May | 16.5% | |
| June | 40.5% | |
| July | 40.9% | |
| August | 43.7% | |
| September | 50.4% | |
| October | 15.8% | |
| November | 1.1% | |
| December | 0.0% |
About this location and data
- Urban-centre population
- 3,683,385
- Elevation
- 193 m
- Coordinates
- 41.87°N, 87.71°W
- Urban area
- 932 km²
Weather averages use 7 ERA5 grid cells, weighted by the area of the urban centre in each cell.
2021-2025 recent-weather sample (not a 30-year normal).
How the weather scores are calculatedNearby places with higher scores
Annual results for the default weather criteria: