Vowinckel, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 2.4 °C (low) to 14 °C (high). Annual precipitation averages 1213.6 Millimeters. Vowinckel is located in USDA Plant Hardiness Zone 6a. 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 | -9.2 °C | -0.1 °C | 93.47 mm |
| February | -8.9 °C | 1.4 °C | 72.14 mm |
| March | -4.9 °C | 6.6 °C | 93.22 mm |
| April | 1.2 °C | 14.4 °C | 109.73 mm |
| May | 6.7 °C | 20.3 °C | 107.95 mm |
| June | 11.4 °C | 24.3 °C | 123.95 mm |
| July | 13.6 °C | 26.7 °C | 121.67 mm |
| August | 12.8 °C | 25.7 °C | 103.12 mm |
| September | 9.2 °C | 21.9 °C | 106.17 mm |
| October | 3.6 °C | 15.5 °C | 92.96 mm |
| November | -1.6 °C | 8.5 °C | 96.01 mm |
| December | -5.6 °C | 2.3 °C | 93.22 mm |
| Annual | 2.4 °C | 14 °C | 1213.61 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |