Worden, Illinois has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 46.1 °F (low) to 65 °F (high). Annual precipitation averages 43.2 Inches. Worden is located in USDA Plant Hardiness Zone 6b. 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 | 22.5 °F | 38.2 °F | 2.64 in. |
| February | 25.9 °F | 43.7 °F | 2.33 in. |
| March | 34.7 °F | 54.1 °F | 3.3 in. |
| April | 45.3 °F | 65.9 °F | 4.83 in. |
| May | 56.2 °F | 75.2 °F | 5.1 in. |
| June | 65.2 °F | 84.0 °F | 4.52 in. |
| July | 68.6 °F | 87.1 °F | 4.11 in. |
| August | 66.6 °F | 86.1 °F | 3.63 in. |
| September | 58.2 °F | 80.1 °F | 3.26 in. |
| October | 46.8 °F | 68.3 °F | 3.28 in. |
| November | 35.9 °F | 54.2 °F | 3.56 in. |
| December | 27.2 °F | 43.0 °F | 2.68 in. |
| Annual | 46.1 °F | 65 °F | 43.24 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |