Flat Lick, Kentucky has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 44.7 °F (low) to 67.6 °F (high). Annual precipitation averages 54.4 Inches. Flat Lick is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 25.3 °F | 45.3 °F | 4.42 in. |
| February | 27.9 °F | 49.4 °F | 4.63 in. |
| March | 34.1 °F | 58.5 °F | 5.17 in. |
| April | 42.9 °F | 68.8 °F | 5.02 in. |
| May | 53.0 °F | 76.4 °F | 4.6 in. |
| June | 60.9 °F | 83.7 °F | 5.5 in. |
| July | 64.8 °F | 86.2 °F | 5.46 in. |
| August | 63.8 °F | 85.2 °F | 4.39 in. |
| September | 56.9 °F | 80.6 °F | 3.32 in. |
| October | 44.1 °F | 69.9 °F | 3.02 in. |
| November | 33.9 °F | 58.5 °F | 3.74 in. |
| December | 28.9 °F | 49.1 °F | 5.12 in. |
| Annual | 44.7 °F | 67.6 °F | 54.39 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 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 |