Woolrich, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 38.8 °F (low) to 60.8 °F (high). Annual precipitation averages 43.4 Inches. Woolrich 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 | 18.0 °F | 34.9 °F | 3.31 in. |
| February | 18.9 °F | 38.3 °F | 2.26 in. |
| March | 26.2 °F | 47.6 °F | 3.33 in. |
| April | 36.2 °F | 61.4 °F | 3.64 in. |
| May | 46.8 °F | 72.4 °F | 4.0 in. |
| June | 55.8 °F | 80.0 °F | 3.97 in. |
| July | 60.0 °F | 84.5 °F | 4.39 in. |
| August | 58.4 °F | 82.4 °F | 3.99 in. |
| September | 51.3 °F | 75.2 °F | 4.34 in. |
| October | 40.1 °F | 63.2 °F | 3.84 in. |
| November | 30.6 °F | 50.5 °F | 3.26 in. |
| December | 23.7 °F | 39.3 °F | 3.02 in. |
| Annual | 38.8 °F | 60.8 °F | 43.35 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 | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |