Driftwood, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 3.1 °C (low) to 15.3 °C (high). Annual precipitation averages 1112 Millimeters. Driftwood is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.4 °C | 1 °C | 76.71 mm |
| February | -8.1 °C | 2.9 °C | 62.23 mm |
| March | -4.1 °C | 8.1 °C | 85.34 mm |
| April | 1.4 °C | 15.4 °C | 96.27 mm |
| May | 7.3 °C | 21.8 °C | 101.09 mm |
| June | 12.3 °C | 25.8 °C | 98.81 mm |
| July | 14.7 °C | 28.1 °C | 111.51 mm |
| August | 14.2 °C | 27.2 °C | 105.16 mm |
| September | 10.3 °C | 23.7 °C | 106.43 mm |
| October | 3.9 °C | 16.7 °C | 96.52 mm |
| November | -1.3 °C | 9.7 °C | 86.11 mm |
| December | -5.1 °C | 3.4 °C | 85.85 mm |
| Annual | 3.1 °C | 15.3 °C | 1112.03 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |