Average annual temperature is 22.0 °C
Absolute maximum temperature: 42.0 °C
Absolute minimum temperature: 0.8 °C
Number of sunny days: 152 days
Number of rainy days: 213 days
Look at detailed online map of Oak Forest
* Weather data for Oak Forest 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) | 26.0 | 28.0 | 29.1 | 30.6 | 31.9 | 39.0 | 38.1 | 42.0 | 39.2 | 34.7 | 29.3 | 25.6 |
| Average daytime temperature (°C) | 19.3 | 20.8 | 24.2 | 24.9 | 28.6 | 34.7 | 35.6 | 38.5 | 34.2 | 27.2 | 21.0 | 19.1 |
| Average temperature (°C) | 14.4 | 15.1 | 19.1 | 19.7 | 23.8 | 28.7 | 30.1 | 32.1 | 28.5 | 22.0 | 16.0 | 13.7 |
| Average night temperature (°C) | 10.6 | 11.0 | 15.1 | 15.6 | 19.8 | 23.9 | 25.5 | 26.8 | 24.0 | 18.2 | 12.3 | 9.5 |
| Absolute minimum temperature (°C) | 0.8 | 1.3 | 4.3 | 9.8 | 13.2 | 19.7 | 23.5 | 24.2 | 20.4 | 8.0 | 3.9 | 1.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.5 | 11.1 | 12.0 | 12.9 | 13.7 | 14.0 | 13.8 | 13.2 | 12.3 | 11.4 | 10.7 | 10.3 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 6.3 | 7.4 | 7.4 | 7.9 | 8.6 | 11.5 | 12.3 | 12.0 | 10.8 | 8.2 | 6.6 | 7.7 |
| Precipitation (mm) | 222 | 60 | 188 | 214 | 223 | 68 | 38 | 3 | 75 | 173 | 145 | 96 |
| Sunny days | 11 | 12 | 7 | 7 | 6 | 14 | 12 | 22 | 9 | 16 | 16 | 20 |
| Rainy days | 20 | 16 | 24 | 23 | 25 | 16 | 19 | 9 | 21 | 15 | 14 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Oak Forest during the most sunny months:
The largest precipitation sum in Oak Forest is at