Emlyn, Kentucky has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7 °C (low) to 20 °C (high). Annual precipitation averages 1361.4 Millimeters. Emlyn 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 | -3.7 °C | 7.6 °C | 114.55 mm |
| February | -2.3 °C | 9.9 °C | 109.22 mm |
| March | 1.1 °C | 15 °C | 133.6 mm |
| April | 5.8 °C | 21 °C | 121.41 mm |
| May | 11.7 °C | 25.2 °C | 118.87 mm |
| June | 16.1 °C | 29.1 °C | 119.13 mm |
| July | 18.3 °C | 30.2 °C | 137.67 mm |
| August | 17.4 °C | 29.6 °C | 114.05 mm |
| September | 13.8 °C | 26.7 °C | 98.04 mm |
| October | 6.8 °C | 20.9 °C | 80.26 mm |
| November | 0.9 °C | 14.7 °C | 82.8 mm |
| December | -1.6 °C | 9.7 °C | 131.83 mm |
| Annual | 7 °C | 20 °C | 1361.43 mm |
| 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 : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |