White Hall, Illinois has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.2 °C (low) to 17.5 °C (high). Annual precipitation averages 1015.5 Millimeters. White Hall is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.2 °C | 2.2 °C | 54.36 mm |
| February | -5.3 °C | 5.1 °C | 52.07 mm |
| March | -0.2 °C | 11.3 °C | 74.68 mm |
| April | 5.6 °C | 18.1 °C | 110.49 mm |
| May | 11.9 °C | 23.6 °C | 124.46 mm |
| June | 17.1 °C | 28.3 °C | 120.4 mm |
| July | 18.9 °C | 30.1 °C | 98.3 mm |
| August | 17.6 °C | 29.4 °C | 85.34 mm |
| September | 12.8 °C | 26.3 °C | 78.99 mm |
| October | 6.6 °C | 19.5 °C | 76.71 mm |
| November | 0.7 °C | 11.6 °C | 79.5 mm |
| December | -4.4 °C | 4.9 °C | 60.2 mm |
| Annual | 6.2 °C | 17.5 °C | 1015.5 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |