Booneville, Kentucky has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 43.5 °F (low) to 67.7 °F (high). Annual precipitation averages 50.7 Inches. Booneville 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 | 24.0 °F | 44.7 °F | 3.82 in. |
| February | 25.9 °F | 48.8 °F | 3.77 in. |
| March | 32.4 °F | 58.4 °F | 4.48 in. |
| April | 41.3 °F | 69.5 °F | 4.55 in. |
| May | 51.9 °F | 76.8 °F | 5.36 in. |
| June | 59.6 °F | 83.7 °F | 4.96 in. |
| July | 64.2 °F | 86.1 °F | 5.35 in. |
| August | 63.6 °F | 85.7 °F | 3.89 in. |
| September | 56.5 °F | 81.0 °F | 3.48 in. |
| October | 42.9 °F | 70.4 °F | 3.15 in. |
| November | 32.4 °F | 58.9 °F | 3.27 in. |
| December | 27.4 °F | 48.4 °F | 4.65 in. |
| Annual | 43.5 °F | 67.7 °F | 50.73 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 6b : -5°F to 0°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |