Cumberland, Kentucky has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 6.8 °C (low) to 19.7 °C (high). Annual precipitation averages 1290.8 Millimeters. Cumberland 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 | -3.6 °C | 7.8 °C | 100.08 mm |
| February | -2.3 °C | 10.1 °C | 111.25 mm |
| March | 1.2 °C | 14.8 °C | 125.73 mm |
| April | 5.6 °C | 20.4 °C | 119.89 mm |
| May | 10.7 °C | 24.5 °C | 113.28 mm |
| June | 15.2 °C | 28.3 °C | 111.76 mm |
| July | 17.7 °C | 29.6 °C | 131.06 mm |
| August | 17.2 °C | 29 °C | 105.66 mm |
| September | 13.4 °C | 26.7 °C | 81.53 mm |
| October | 6.7 °C | 20.8 °C | 76.45 mm |
| November | 1.1 °C | 14.8 °C | 87.63 mm |
| December | -1.4 °C | 9.6 °C | 126.49 mm |
| Annual | 6.8 °C | 19.7 °C | 1290.81 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 | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |