Wilburton Number One, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 39.5 °F (low) to 58.2 °F (high). Annual precipitation averages 50.7 Inches. Wilburton Number One 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 | 17.9 °F | 33.6 °F | 3.64 in. |
| February | 19.2 °F | 36.2 °F | 2.76 in. |
| March | 26.7 °F | 44.8 °F | 4.05 in. |
| April | 37.5 °F | 57.8 °F | 4.14 in. |
| May | 47.6 °F | 68.3 °F | 4.33 in. |
| June | 56.3 °F | 76.1 °F | 4.77 in. |
| July | 60.7 °F | 81.4 °F | 4.83 in. |
| August | 58.8 °F | 79.5 °F | 4.44 in. |
| September | 52.0 °F | 72.7 °F | 5.27 in. |
| October | 41.5 °F | 60.7 °F | 4.86 in. |
| November | 31.7 °F | 48.6 °F | 3.71 in. |
| December | 23.9 °F | 38.5 °F | 3.94 in. |
| Annual | 39.5 °F | 58.2 °F | 50.74 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| 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 | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |