Average annual temperature is 12.3 °C
Absolute maximum temperature: 34.8 °C
Absolute minimum temperature: -14.1 °C
Number of sunny days: 164 days
Number of rainy days: 195 days
Number of snow days: 6 days
Look at detailed online map of Oak Park
* Weather data for Oak Park 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) | 15.3 | 18.8 | 17.9 | 30.3 | 32.2 | 33.3 | 34.8 | 31.9 | 34.0 | 27.6 | 20.0 | 15.0 |
| Average daytime temperature (°C) | 7.1 | 9.1 | 9.9 | 19.2 | 22.4 | 26.1 | 30.2 | 27.9 | 24.6 | 18.8 | 10.5 | 8.1 |
| Average temperature (°C) | 3.5 | 2.9 | 4.2 | 12.4 | 15.2 | 20.1 | 24.3 | 22.4 | 19.2 | 13.6 | 5.3 | 3.9 |
| Average night temperature (°C) | 0.6 | -2.0 | -0.5 | 6.4 | 8.2 | 14.3 | 19.1 | 17.6 | 14.5 | 9.3 | 1.2 | 0.4 |
| Absolute minimum temperature (°C) | -5.0 | -14.1 | -6.0 | -1.0 | 2.1 | 8.9 | 14.6 | 12.8 | 8.1 | 1.7 | -5.2 | -5.3 |
| 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) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.5 | 6.9 | 7.1 | 8.8 | 11.6 | 11.0 | 12.0 | 10.7 | 8.9 | 7.5 | 7.3 | 4.0 |
| Precipitation (mm) | 106 | 37 | 85 | 111 | 14 | 79 | 155 | 164 | 147 | 80 | 48 | 107 |
| Sunny days | 10 | 13 | 12 | 16 | 21 | 11 | 8 | 10 | 15 | 18 | 17 | 13 |
| Rainy days | 20 | 13 | 19 | 14 | 10 | 19 | 23 | 21 | 15 | 13 | 12 | 16 |
| Snow days | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Oak Park during the most sunny months:
The largest precipitation sum in Oak Park is at