Holden, West Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 6.9 °C (low) to 19.6 °C (high). Annual precipitation averages 1255.5 Millimeters. Holden 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 | -4.1 °C | 6.7 °C | 88.14 mm |
| February | -2.7 °C | 9.1 °C | 88.65 mm |
| March | 0.8 °C | 14.2 °C | 114.55 mm |
| April | 6.1 °C | 21.1 °C | 108.46 mm |
| May | 11.3 °C | 25.1 °C | 129.79 mm |
| June | 16 °C | 28.7 °C | 124.97 mm |
| July | 18.2 °C | 30.4 °C | 153.67 mm |
| August | 17.6 °C | 29.8 °C | 100.33 mm |
| September | 13.8 °C | 26.9 °C | 85.6 mm |
| October | 7 °C | 20.6 °C | 79.25 mm |
| November | 1.1 °C | 14.1 °C | 75.44 mm |
| December | -1.8 °C | 8.7 °C | 106.68 mm |
| Annual | 6.9 °C | 19.6 °C | 1255.53 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 |