Average annual temperature is 11.0 °C
Absolute maximum temperature: 36.1 °C
Absolute minimum temperature: -20.4 °C
Number of sunny days: 185 days
Number of rainy days: 168 days
Number of snow days: 12 days
Look at detailed online map of Township of Downers Grove
* Weather data for Township of Downers Grove 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) | 12.5 | 14.1 | 20.7 | 25.3 | 31.3 | 32.2 | 33.0 | 36.1 | 33.1 | 27.5 | 19.5 | 14.6 |
| Average daytime temperature (°C) | 3.2 | 5.8 | 7.8 | 16.3 | 21.8 | 27.1 | 28.0 | 27.0 | 23.9 | 16.7 | 9.6 | 6.6 |
| Average temperature (°C) | -0.6 | 0.5 | 2.6 | 9.6 | 15.3 | 20.4 | 22.4 | 21.9 | 19.0 | 12.4 | 4.9 | 3.2 |
| Average night temperature (°C) | -3.4 | -3.5 | -0.9 | 3.9 | 9.8 | 14.7 | 17.9 | 17.8 | 15.1 | 9.1 | 1.1 | 0.7 |
| Absolute minimum temperature (°C) | -20.4 | -18.3 | -11.3 | -3.3 | 1.5 | 7.6 | 13.8 | 12.0 | 9.3 | -2.9 | -10.5 | -7.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.3 | 14.5 | 15.2 | 14.9 | 13.8 | 12.5 | 11.1 | 9.9 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 3.1 | 7.6 | 6.2 | 8.9 | 10.4 | 11.7 | 11.3 | 10.5 | 7.9 | 6.3 | 7.2 | 4.1 |
| Precipitation (mm) | 60 | 88 | 89 | 95 | 48 | 38 | 287 | 100 | 127 | 109 | 46 | 71 |
| Sunny days | 11 | 18 | 11 | 16 | 19 | 20 | 14 | 17 | 13 | 9 | 22 | 15 |
| Rainy days | 12 | 8 | 19 | 14 | 12 | 10 | 17 | 14 | 17 | 22 | 8 | 15 |
| Snow days | 8 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Township of Downers Grove during the most sunny months:
The largest precipitation sum in Township of Downers Grove is at