Whitley City, Kentucky has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 44.2 °F (low) to 66.6 °F (high). Annual precipitation averages 55.7 Inches. Whitley City 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 25.1 °F | 44.5 °F | 4.6 in. |
| February | 27.2 °F | 48.2 °F | 4.26 in. |
| March | 33.7 °F | 57.0 °F | 5.31 in. |
| April | 42.8 °F | 67.9 °F | 4.75 in. |
| May | 52.6 °F | 75.5 °F | 5.17 in. |
| June | 59.9 °F | 82.6 °F | 4.97 in. |
| July | 64.3 °F | 85.8 °F | 6.19 in. |
| August | 62.7 °F | 84.2 °F | 3.87 in. |
| September | 56.1 °F | 79.0 °F | 3.71 in. |
| October | 43.4 °F | 69.7 °F | 3.22 in. |
| November | 34.0 °F | 57.2 °F | 3.86 in. |
| December | 29.1 °F | 48.1 °F | 5.79 in. |
| Annual | 44.2 °F | 66.6 °F | 55.7 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| 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 6a : -10°F to -5°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |