Lexington-Fayette, Kentucky has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7.6 °C (low) to 18.1 °C (high). Annual precipitation averages 1230.1 Millimeters. Lexington-Fayette 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 | -4.3 °C | 4.7 °C | 88.14 mm |
| February | -2.7 °C | 7.2 °C | 92.71 mm |
| March | 1.3 °C | 12.2 °C | 112.78 mm |
| April | 7 °C | 18.2 °C | 114.3 mm |
| May | 12.8 °C | 23.2 °C | 133.1 mm |
| June | 17 °C | 27.8 °C | 127 mm |
| July | 19.3 °C | 29.7 °C | 120.65 mm |
| August | 18.3 °C | 29 °C | 87.63 mm |
| September | 14.4 °C | 26.1 °C | 88.65 mm |
| October | 8.1 °C | 19.8 °C | 80.52 mm |
| November | 1.9 °C | 12.6 °C | 81.53 mm |
| December | -1.8 °C | 6.9 °C | 103.12 mm |
| Annual | 7.6 °C | 18.1 °C | 1230.13 mm |
| 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 : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |