Average annual temperature is 10.9 °C
Absolute maximum temperature: 37.3 °C
Absolute minimum temperature: -23.4 °C
Number of sunny days: 178 days
Number of rainy days: 172 days
Number of snow days: 15 days
Look at detailed online map of Des Plaines
* Weather data for Des Plaines United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 11.4 | 14.9 | 20.6 | 26.5 | 32.6 | 33.6 | 33.1 | 37.3 | 34.3 | 28.1 | 19.9 | 15.0 |
| Average daytime temperature (°C) | 3.2 | 5.5 | 7.6 | 16.2 | 21.5 | 26.6 | 28.1 | 27.1 | 24.1 | 16.9 | 9.7 | 6.4 |
| Average temperature (°C) | -0.6 | 0.1 | 2.6 | 9.6 | 14.9 | 20.0 | 22.5 | 22.0 | 19.1 | 12.5 | 4.9 | 3.1 |
| Average night temperature (°C) | -3.7 | -4.0 | -1.0 | 3.9 | 9.3 | 14.4 | 17.8 | 17.8 | 15.1 | 9.0 | 1.0 | 0.5 |
| Absolute minimum temperature (°C) | -23.4 | -19.7 | -11.4 | -3.4 | 1.2 | 7.4 | 13.9 | 12.1 | 9.2 | -3.1 | -10.7 | -7.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 13.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.8 | 12.5 | 11.1 | 9.8 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 3.2 | 7.7 | 6.5 | 9.1 | 10.6 | 11.9 | 11.6 | 10.4 | 7.8 | 6.1 | 7.0 | 3.8 |
| Precipitation (mm) | 58 | 95 | 76 | 81 | 54 | 47 | 256 | 92 | 111 | 104 | 35 | 74 |
| Sunny days | 12 | 18 | 9 | 15 | 21 | 19 | 10 | 14 | 12 | 12 | 21 | 15 |
| Rainy days | 13 | 8 | 19 | 15 | 10 | 11 | 21 | 17 | 18 | 18 | 7 | 15 |
| Snow days | 6 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 |
The best time to visit Des Plaines during the most sunny months:
The largest precipitation sum in Des Plaines is at