Hutsonville, Illinois has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 7 °C (low) to 18.6 °C (high). Annual precipitation averages 1168.4 Millimeters. Hutsonville is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.6 °C | 3.4 °C | 78.99 mm |
| February | -3.9 °C | 6.2 °C | 61.98 mm |
| March | 0.9 °C | 12.2 °C | 87.38 mm |
| April | 6.7 °C | 19.2 °C | 132.59 mm |
| May | 12.7 °C | 24.7 °C | 124.46 mm |
| June | 17.5 °C | 29.5 °C | 125.48 mm |
| July | 19.1 °C | 31.2 °C | 115.06 mm |
| August | 17.8 °C | 30.7 °C | 80.26 mm |
| September | 13.6 °C | 27.6 °C | 90.93 mm |
| October | 7.1 °C | 20.7 °C | 94.49 mm |
| November | 1.4 °C | 12.5 °C | 96.27 mm |
| December | -2.9 °C | 5.8 °C | 80.52 mm |
| Annual | 7 °C | 18.6 °C | 1168.41 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°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 |