Warfield, Kentucky has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 6.4 °C (low) to 20.2 °C (high). Annual precipitation averages 1195.6 Millimeters. Warfield is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.4 °C | 7.3 °C | 88.14 mm |
| February | -3.3 °C | 9.6 °C | 88.14 mm |
| March | 0.1 °C | 14.9 °C | 112.01 mm |
| April | 5.2 °C | 21.8 °C | 98.55 mm |
| May | 10.8 °C | 25.5 °C | 120.4 mm |
| June | 15.6 °C | 29 °C | 117.86 mm |
| July | 17.9 °C | 30.8 °C | 138.68 mm |
| August | 17.3 °C | 30.3 °C | 89.92 mm |
| September | 13.3 °C | 27.3 °C | 79.76 mm |
| October | 6.1 °C | 21.1 °C | 76.96 mm |
| November | 0.2 °C | 14.8 °C | 76.2 mm |
| December | -2.6 °C | 9.4 °C | 108.97 mm |
| Annual | 6.4 °C | 20.2 °C | 1195.59 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| 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 | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |