Betsy Layne, Kentucky has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7.2 °C (low) to 20.6 °C (high). Annual precipitation averages 1181.9 Millimeters. Betsy Layne 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 | -3.7 °C | 7.7 °C | 87.12 mm |
| February | -2.4 °C | 10 °C | 90.68 mm |
| March | 0.9 °C | 15.2 °C | 106.68 mm |
| April | 6.2 °C | 21.9 °C | 98.3 mm |
| May | 11.7 °C | 26 °C | 117.86 mm |
| June | 16.3 °C | 29.6 °C | 116.59 mm |
| July | 18.7 °C | 31.4 °C | 129.54 mm |
| August | 18 °C | 30.8 °C | 99.31 mm |
| September | 14.1 °C | 27.7 °C | 82.3 mm |
| October | 7.1 °C | 21.6 °C | 74.42 mm |
| November | 1.2 °C | 15.2 °C | 74.17 mm |
| December | -1.6 °C | 9.6 °C | 104.9 mm |
| Annual | 7.2 °C | 20.6 °C | 1181.87 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 7a : -17.8°C to -15°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |