Dix, Illinois has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 7.1 °C (low) to 18.4 °C (high). Annual precipitation averages 1153.2 Millimeters. Dix 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 | 3.7 °C | 76.2 mm |
| February | -3.8 °C | 6.3 °C | 68.58 mm |
| March | 1 °C | 12.1 °C | 96.01 mm |
| April | 6.7 °C | 18.7 °C | 123.95 mm |
| May | 12.7 °C | 23.9 °C | 130.81 mm |
| June | 17.6 °C | 28.9 °C | 116.59 mm |
| July | 19.4 °C | 30.7 °C | 103.38 mm |
| August | 18.1 °C | 30.2 °C | 89.41 mm |
| September | 13.6 °C | 26.8 °C | 85.85 mm |
| October | 7.2 °C | 20.4 °C | 86.11 mm |
| November | 1.6 °C | 12.6 °C | 99.82 mm |
| December | -3 °C | 6 °C | 76.45 mm |
| Annual | 7.1 °C | 18.4 °C | 1153.16 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 |