Willisburg, Kentucky has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 45.3 °F (low) to 65.9 °F (high). Annual precipitation averages 50.3 Inches. Willisburg is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 24.5 °F | 41.9 °F | 3.63 in. |
| February | 27.3 °F | 46.4 °F | 3.82 in. |
| March | 34.2 °F | 55.3 °F | 4.79 in. |
| April | 44.0 °F | 66.4 °F | 4.68 in. |
| May | 54.5 °F | 75.2 °F | 5.37 in. |
| June | 62.6 °F | 83.6 °F | 5.17 in. |
| July | 66.0 °F | 86.2 °F | 4.55 in. |
| August | 64.0 °F | 85.8 °F | 3.42 in. |
| September | 57.1 °F | 80.3 °F | 3.72 in. |
| October | 45.9 °F | 68.9 °F | 3.45 in. |
| November | 35.0 °F | 55.8 °F | 3.41 in. |
| December | 28.6 °F | 45.4 °F | 4.31 in. |
| Annual | 45.3 °F | 65.9 °F | 50.32 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |