Average annual temperature is 11.3 °C
Absolute maximum temperature: 36.8 °C
Absolute minimum temperature: -21.1 °C
Number of sunny days: 178 days
Number of rainy days: 174 days
Number of snow days: 13 days
Look at detailed online map of Oak Lawn
* Weather data for Oak Lawn 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) | 13.0 | 14.5 | 21.3 | 26.0 | 32.7 | 32.8 | 33.0 | 36.8 | 33.9 | 28.1 | 20.0 | 15.1 |
| Average daytime temperature (°C) | 3.5 | 6.2 | 7.9 | 16.8 | 21.8 | 27.3 | 28.2 | 27.3 | 24.2 | 17.1 | 10.1 | 7.0 |
| Average temperature (°C) | -0.2 | 0.8 | 2.9 | 9.9 | 15.3 | 20.5 | 22.6 | 22.1 | 19.3 | 12.7 | 5.2 | 3.5 |
| Average night temperature (°C) | -3.2 | -3.3 | -0.7 | 4.1 | 9.7 | 14.9 | 17.9 | 18.0 | 15.2 | 9.3 | 1.3 | 0.9 |
| Absolute minimum temperature (°C) | -21.1 | -18.0 | -10.9 | -3.6 | 1.6 | 8.3 | 13.6 | 12.2 | 9.4 | -2.9 | -10.3 | -7.8 |
| 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) | 3.0 | 7.6 | 6.5 | 9.0 | 10.5 | 11.7 | 11.5 | 10.6 | 8.1 | 6.3 | 7.1 | 4.0 |
| Precipitation (mm) | 60 | 86 | 88 | 74 | 55 | 48 | 340 | 114 | 150 | 106 | 37 | 75 |
| Sunny days | 11 | 18 | 9 | 16 | 18 | 19 | 13 | 16 | 11 | 10 | 22 | 15 |
| Rainy days | 13 | 8 | 20 | 14 | 13 | 11 | 18 | 15 | 19 | 21 | 7 | 15 |
| Snow days | 7 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Oak Lawn during the most sunny months:
The largest precipitation sum in Oak Lawn is at