Park Forest Village, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 4.1 °C (low) to 14.8 °C (high). Annual precipitation averages 1090.7 Millimeters. Park Forest Village 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.6 °C | 1 °C | 75.69 mm |
| February | -7 °C | 2.7 °C | 64.26 mm |
| March | -3.2 °C | 7.6 °C | 86.87 mm |
| April | 2.9 °C | 15 °C | 91.95 mm |
| May | 8.7 °C | 20.8 °C | 101.09 mm |
| June | 13.5 °C | 25.1 °C | 104.65 mm |
| July | 15.7 °C | 27.4 °C | 103.38 mm |
| August | 14.8 °C | 26.4 °C | 99.82 mm |
| September | 10.7 °C | 22.7 °C | 106.43 mm |
| October | 4.9 °C | 16.1 °C | 96.52 mm |
| November | -0.3 °C | 9.6 °C | 78.49 mm |
| December | -4.4 °C | 3.4 °C | 81.53 mm |
| Annual | 4.1 °C | 14.8 °C | 1090.68 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |