Wilcox, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 35.5 °F (low) to 57.1 °F (high). Annual precipitation averages 46.5 Inches. Wilcox is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 14.8 °F | 31.7 °F | 3.56 in. |
| February | 15.2 °F | 34.5 °F | 2.64 in. |
| March | 22.1 °F | 43.6 °F | 3.36 in. |
| April | 32.6 °F | 57.6 °F | 4.03 in. |
| May | 43.0 °F | 68.8 °F | 4.26 in. |
| June | 51.8 °F | 76.0 °F | 4.54 in. |
| July | 55.9 °F | 79.9 °F | 4.55 in. |
| August | 54.7 °F | 78.4 °F | 4.2 in. |
| September | 48.2 °F | 72.0 °F | 4.02 in. |
| October | 37.6 °F | 60.0 °F | 3.91 in. |
| November | 28.9 °F | 46.9 °F | 3.74 in. |
| December | 21.6 °F | 36.2 °F | 3.69 in. |
| Annual | 35.5 °F | 57.1 °F | 46.5 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |