Cumberland Gap, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 45.7 °F (low) to 67.5 °F (high). Annual precipitation averages 55.4 Inches. Cumberland Gap 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 26.3 °F | 45.3 °F | 4.96 in. |
| February | 29.2 °F | 49.4 °F | 4.89 in. |
| March | 35.3 °F | 58.7 °F | 5.28 in. |
| April | 43.9 °F | 69.1 °F | 4.89 in. |
| May | 53.7 °F | 76.5 °F | 4.43 in. |
| June | 61.5 °F | 82.7 °F | 5.27 in. |
| July | 65.4 °F | 85.6 °F | 5.38 in. |
| August | 64.2 °F | 85.1 °F | 4.1 in. |
| September | 57.6 °F | 80.6 °F | 3.67 in. |
| October | 45.8 °F | 70.1 °F | 3.07 in. |
| November | 35.3 °F | 58.0 °F | 3.88 in. |
| December | 30.1 °F | 48.4 °F | 5.56 in. |
| Annual | 45.7 °F | 67.5 °F | 55.38 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| 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 |