Crabtree, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.8 °C (low) to 16.4 °C (high). Annual precipitation averages 1134.4 Millimeters. Crabtree 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 | -6.5 °C | 3 °C | 84.58 mm |
| February | -5.9 °C | 4.5 °C | 69.09 mm |
| March | -2.1 °C | 9.4 °C | 87.88 mm |
| April | 3.4 °C | 16.7 °C | 97.79 mm |
| May | 9.2 °C | 22.2 °C | 106.68 mm |
| June | 14.1 °C | 26.4 °C | 114.81 mm |
| July | 16.3 °C | 28.4 °C | 117.6 mm |
| August | 15.4 °C | 27.9 °C | 102.87 mm |
| September | 11.6 °C | 24.4 °C | 99.82 mm |
| October | 5.2 °C | 17.7 °C | 82.55 mm |
| November | 0 °C | 11 °C | 85.85 mm |
| December | -3.6 °C | 5.3 °C | 84.84 mm |
| Annual | 4.8 °C | 16.4 °C | 1134.36 mm |
| 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 : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |