Rowlesburg, West Virginia has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 40.2 °F (low) to 62.1 °F (high). Annual precipitation averages 57.5 Inches. Rowlesburg 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 20.3 °F | 38.6 °F | 4.45 in. |
| February | 22.0 °F | 42.2 °F | 4.2 in. |
| March | 28.5 °F | 50.8 °F | 4.94 in. |
| April | 37.9 °F | 63.7 °F | 4.98 in. |
| May | 48.0 °F | 71.9 °F | 5.5 in. |
| June | 56.4 °F | 78.7 °F | 5.91 in. |
| July | 60.5 °F | 82.0 °F | 6.33 in. |
| August | 59.2 °F | 81.2 °F | 4.59 in. |
| September | 52.4 °F | 76.0 °F | 4.1 in. |
| October | 40.7 °F | 64.8 °F | 4.09 in. |
| November | 31.2 °F | 53.1 °F | 3.88 in. |
| December | 25.2 °F | 42.7 °F | 4.53 in. |
| Annual | 40.2 °F | 62.1 °F | 57.5 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 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 | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |