Keene, Kentucky has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 45.5 °F (low) to 65.2 °F (high). Annual precipitation averages 49.4 Inches. Keene 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 | 24.4 °F | 41.2 °F | 3.52 in. |
| February | 27.0 °F | 45.7 °F | 3.67 in. |
| March | 34.3 °F | 54.6 °F | 4.59 in. |
| April | 44.2 °F | 65.5 °F | 4.59 in. |
| May | 54.7 °F | 74.3 °F | 5.4 in. |
| June | 62.4 °F | 82.8 °F | 5.0 in. |
| July | 66.2 °F | 85.7 °F | 4.88 in. |
| August | 64.6 °F | 84.9 °F | 3.44 in. |
| September | 57.6 °F | 79.5 °F | 3.62 in. |
| October | 46.2 °F | 68.2 °F | 3.26 in. |
| November | 35.2 °F | 55.3 °F | 3.21 in. |
| December | 28.7 °F | 45.0 °F | 4.17 in. |
| Annual | 45.5 °F | 65.2 °F | 49.35 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |