White Sulphur Springs, West Virginia has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 40.1 °F (low) to 63.6 °F (high). Annual precipitation averages 41.4 Inches. White Sulphur Springs is located in USDA Plant Hardiness Zone 6b. 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 | 21.2 °F | 41.1 °F | 3.03 in. |
| February | 23.0 °F | 44.7 °F | 2.79 in. |
| March | 29.0 °F | 53.4 °F | 3.7 in. |
| April | 38.0 °F | 65.3 °F | 3.63 in. |
| May | 47.6 °F | 73.1 °F | 4.55 in. |
| June | 56.1 °F | 79.5 °F | 4.13 in. |
| July | 60.2 °F | 83.0 °F | 4.2 in. |
| August | 59.1 °F | 82.0 °F | 3.29 in. |
| September | 52.4 °F | 76.5 °F | 3.53 in. |
| October | 39.9 °F | 66.2 °F | 2.7 in. |
| November | 29.9 °F | 54.3 °F | 2.56 in. |
| December | 24.7 °F | 44.2 °F | 3.29 in. |
| Annual | 40.1 °F | 63.6 °F | 41.4 in. |
| 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 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |