Boaz, West Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 5.6 °C (low) to 18 °C (high). Annual precipitation averages 1120.4 Millimeters. Boaz is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.8 °C | 4.3 °C | 84.07 mm |
| February | -4.8 °C | 6.3 °C | 77.47 mm |
| March | -1.1 °C | 11.7 °C | 101.6 mm |
| April | 4.5 °C | 19.3 °C | 96.27 mm |
| May | 10.2 °C | 23.6 °C | 110.74 mm |
| June | 15.1 °C | 27.9 °C | 118.36 mm |
| July | 17.4 °C | 29.7 °C | 119.63 mm |
| August | 16.5 °C | 29.2 °C | 90.93 mm |
| September | 12.4 °C | 25.9 °C | 86.36 mm |
| October | 5.7 °C | 19.4 °C | 73.15 mm |
| November | 0.2 °C | 12.4 °C | 74.93 mm |
| December | -2.9 °C | 6.7 °C | 86.87 mm |
| Annual | 5.6 °C | 18 °C | 1120.38 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |