Hometown, Illinois has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6 °C (low) to 15.5 °C (high). Annual precipitation averages 1008.1 Millimeters. Hometown 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.8 °C | 0.2 °C | 54.61 mm |
| February | -6.2 °C | 2.2 °C | 52.07 mm |
| March | -1.2 °C | 8.2 °C | 60.45 mm |
| April | 4.6 °C | 15.2 °C | 99.82 mm |
| May | 10.6 °C | 21.4 °C | 119.38 mm |
| June | 16.3 °C | 26.9 °C | 109.98 mm |
| July | 19.2 °C | 29.3 °C | 113.54 mm |
| August | 18.4 °C | 28.3 °C | 105.41 mm |
| September | 14.3 °C | 24.7 °C | 81.53 mm |
| October | 7.3 °C | 17.4 °C | 87.12 mm |
| November | 1 °C | 9.6 °C | 64.77 mm |
| December | -4.7 °C | 3 °C | 59.44 mm |
| Annual | 6 °C | 15.5 °C | 1008.12 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| 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 |