Reynoldsville, West Virginia has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 41.4 °F (low) to 63.9 °F (high). Annual precipitation averages 49.4 Inches. Reynoldsville 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 | 21.5 °F | 40.1 °F | 3.78 in. |
| February | 23.2 °F | 43.4 °F | 3.51 in. |
| March | 29.6 °F | 52.7 °F | 4.32 in. |
| April | 39.5 °F | 65.8 °F | 4.08 in. |
| May | 49.2 °F | 73.9 °F | 4.95 in. |
| June | 57.9 °F | 81.3 °F | 4.89 in. |
| July | 62.1 °F | 84.3 °F | 5.42 in. |
| August | 60.7 °F | 83.2 °F | 4.12 in. |
| September | 53.6 °F | 77.7 °F | 3.62 in. |
| October | 41.5 °F | 65.9 °F | 3.42 in. |
| November | 32.0 °F | 54.2 °F | 3.33 in. |
| December | 26.1 °F | 44.2 °F | 3.95 in. |
| Annual | 41.4 °F | 63.9 °F | 49.39 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 |