Lexington, Kentucky has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 45.6 °F (low) to 64.8 °F (high). Annual precipitation averages 48.4 Inches. Lexington 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 | 24.3 °F | 40.8 °F | 3.46 in. |
| February | 27.2 °F | 45.2 °F | 3.66 in. |
| March | 34.3 °F | 54.2 °F | 4.43 in. |
| April | 44.5 °F | 64.9 °F | 4.49 in. |
| May | 54.9 °F | 73.9 °F | 5.24 in. |
| June | 62.6 °F | 82.4 °F | 5.01 in. |
| July | 66.5 °F | 85.6 °F | 4.76 in. |
| August | 64.8 °F | 84.3 °F | 3.48 in. |
| September | 57.8 °F | 79.0 °F | 3.49 in. |
| October | 46.3 °F | 67.8 °F | 3.1 in. |
| November | 35.3 °F | 55.0 °F | 3.18 in. |
| December | 28.7 °F | 44.7 °F | 4.05 in. |
| Annual | 45.6 °F | 64.8 °F | 48.35 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 | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |