Average annual temperature is 25.0 °C
Absolute maximum temperature: 37.9 °C
Absolute minimum temperature: 13.7 °C
Number of sunny days: 93 days
Number of rainy days: 272 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) | 31.6 | 32.8 | 34.5 | 37.4 | 37.3 | 37.9 | 32.8 | 34.0 | 31.6 | 33.6 | 31.6 | 31.7 |
| Average daytime temperature (°C) | 26.6 | 26.8 | 30.3 | 32.9 | 32.8 | 33.9 | 30.4 | 30.2 | 29.9 | 29.0 | 26.1 | 25.3 |
| Average temperature (°C) | 22.3 | 22.1 | 25.1 | 27.1 | 27.4 | 28.8 | 26.0 | 25.8 | 25.7 | 25.0 | 22.7 | 21.5 |
| Average night temperature (°C) | 19.3 | 19.0 | 21.3 | 22.7 | 22.7 | 24.4 | 23.0 | 22.8 | 22.5 | 22.2 | 20.5 | 18.7 |
| Absolute minimum temperature (°C) | 14.1 | 15.8 | 17.9 | 19.7 | 17.8 | 21.9 | 21.5 | 21.2 | 21.1 | 18.8 | 16.9 | 13.7 |
| 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) | 11.2 | 11.6 | 12.0 | 12.5 | 12.9 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.1 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 8.8 | 7.7 | 10.2 | 11.0 | 11.5 | 10.9 | 8.8 | 9.3 | 9.8 | 8.9 | 5.7 | 7.8 |
| Precipitation (mm) | 157 | 370 | 65 | 85 | 33 | 83 | 216 | 237 | 117 | 245 | 427 | 160 |
| Sunny days | 10 | 8 | 14 | 15 | 18 | 14 | 0 | 3 | 0 | 5 | 1 | 5 |
| Rainy days | 21 | 20 | 17 | 15 | 13 | 16 | 31 | 28 | 30 | 26 | 29 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Chicago is at