Pillow, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5 °C (low) to 16.3 °C (high). Annual precipitation averages 1179.3 Millimeters. Pillow 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 | 2.3 °C | 74.17 mm |
| February | -6.1 °C | 3.9 °C | 65.02 mm |
| March | -1.9 °C | 9.1 °C | 92.71 mm |
| April | 3.7 °C | 16.4 °C | 100.33 mm |
| May | 9.5 °C | 22 °C | 104.14 mm |
| June | 14.7 °C | 26.7 °C | 112.52 mm |
| July | 16.9 °C | 29.1 °C | 115.06 mm |
| August | 16.1 °C | 28.1 °C | 108.71 mm |
| September | 11.9 °C | 24.4 °C | 124.21 mm |
| October | 5.7 °C | 17.6 °C | 107.95 mm |
| November | 0.3 °C | 11 °C | 83.57 mm |
| December | -3.7 °C | 4.8 °C | 90.93 mm |
| Annual | 5 °C | 16.3 °C | 1179.32 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 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 | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |