Warfield, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.6 °C (low) to 20.8 °C (high). Annual precipitation averages 1185.7 Millimeters. Warfield is located in USDA Plant Hardiness Zone 7b. 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 | -2.3 °C | 9.3 °C | 86.36 mm |
| February | -1.4 °C | 11.4 °C | 69.6 mm |
| March | 2.2 °C | 15.4 °C | 101.85 mm |
| April | 7.6 °C | 21.3 °C | 86.36 mm |
| May | 12.8 °C | 25.2 °C | 96.01 mm |
| June | 17.7 °C | 29.4 °C | 114.3 mm |
| July | 20.1 °C | 31.4 °C | 123.44 mm |
| August | 19.2 °C | 30.3 °C | 118.36 mm |
| September | 15.7 °C | 27.2 °C | 122.17 mm |
| October | 8.6 °C | 21.6 °C | 90.68 mm |
| November | 2.9 °C | 16 °C | 85.85 mm |
| December | -0.4 °C | 11.2 °C | 90.68 mm |
| Annual | 8.6 °C | 20.8 °C | 1185.66 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 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |