Hambleton, West Virginia has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 4.1 °C (low) to 16.5 °C (high). Annual precipitation averages 1457 Millimeters. Hambleton is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7 °C | 3.6 °C | 105.16 mm |
| February | -6.1 °C | 5.5 °C | 100.33 mm |
| March | -2.4 °C | 10.2 °C | 121.16 mm |
| April | 2.9 °C | 17.3 °C | 128.52 mm |
| May | 8.5 °C | 21.7 °C | 159 mm |
| June | 13.3 °C | 25.8 °C | 154.69 mm |
| July | 15.4 °C | 27.6 °C | 160.53 mm |
| August | 14.7 °C | 27.1 °C | 128.02 mm |
| September | 10.9 °C | 24.1 °C | 99.31 mm |
| October | 4.2 °C | 18.1 °C | 94.49 mm |
| November | -1.3 °C | 11.3 °C | 96.52 mm |
| December | -4.4 °C | 5.8 °C | 109.22 mm |
| Annual | 4.1 °C | 16.5 °C | 1456.95 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |