Average annual temperature is 27.7 °C
Absolute maximum temperature: 39.6 °C
Absolute minimum temperature: 14.9 °C
Number of sunny days: 154 days
Number of rainy days: 211 days
Look at detailed online map of Chicago
* Weather data for Chicago Mexico is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 35.8 | 37.2 | 39.0 | 38.1 | 39.6 | 35.1 | 38.1 | 37.6 | 38.4 | 37.0 | 37.8 | 38.8 |
| Average daytime temperature (°C) | 33.2 | 33.3 | 33.1 | 34.7 | 35.4 | 32.8 | 34.8 | 34.8 | 34.9 | 33.1 | 34.2 | 34.3 |
| Average temperature (°C) | 26.2 | 26.3 | 27.1 | 28.4 | 29.3 | 28.1 | 28.3 | 28.5 | 28.6 | 27.2 | 27.7 | 27.1 |
| Average night temperature (°C) | 21.0 | 21.1 | 22.3 | 23.3 | 24.3 | 24.4 | 24.0 | 24.2 | 23.9 | 23.2 | 22.8 | 22.1 |
| Absolute minimum temperature (°C) | 17.7 | 18.8 | 18.6 | 21.6 | 19.5 | 22.8 | 22.7 | 22.5 | 21.8 | 18.8 | 17.5 | 14.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.3 | 11.6 | 12.0 | 12.5 | 12.9 | 13.1 | 13.0 | 12.7 | 12.2 | 11.8 | 11.4 | 11.2 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.5 | 10.9 | 11.0 | 11.3 | 11.6 | 10.8 | 10.6 | 10.7 | 10.8 | 10.0 | 10.0 | 10.2 |
| Precipitation (mm) | 1 | 1 | 29 | 20 | 27 | 138 | 199 | 127 | 148 | 226 | 18 | 1 |
| Sunny days | 26 | 24 | 12 | 13 | 11 | 3 | 3 | 2 | 4 | 8 | 20 | 28 |
| Rainy days | 5 | 4 | 19 | 17 | 20 | 27 | 28 | 29 | 26 | 23 | 10 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Chicago is at