Allensville, 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 15.9 °C (high). Annual precipitation averages 1066.8 Millimeters. Allensville is located in USDA Plant Hardiness Zone 7a. 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 | -6.7 °C | 2 °C | 73.41 mm |
| February | -6.1 °C | 3.7 °C | 60.71 mm |
| March | -2.3 °C | 8.5 °C | 86.11 mm |
| April | 3.5 °C | 16.1 °C | 92.2 mm |
| May | 9.2 °C | 21.8 °C | 104.14 mm |
| June | 14.2 °C | 26.2 °C | 102.36 mm |
| July | 16.5 °C | 28.6 °C | 94.49 mm |
| August | 15.6 °C | 27.7 °C | 95 mm |
| September | 11.6 °C | 23.8 °C | 105.16 mm |
| October | 5.4 °C | 17.2 °C | 95 mm |
| November | 0.3 °C | 10.6 °C | 76.45 mm |
| December | -3.8 °C | 4.4 °C | 81.79 mm |
| Annual | 4.8 °C | 15.9 °C | 1066.82 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 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |