Woodhull, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.8 °C (low) to 13.9 °C (high). Annual precipitation averages 925.6 Millimeters. Woodhull is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.8 °C | 0 °C | 57.15 mm |
| February | -9.4 °C | 1.2 °C | 44.45 mm |
| March | -5.6 °C | 5.9 °C | 65.79 mm |
| April | 0.3 °C | 13.3 °C | 77.72 mm |
| May | 6.3 °C | 20.1 °C | 84.84 mm |
| June | 11.1 °C | 24.6 °C | 99.31 mm |
| July | 13.3 °C | 26.9 °C | 92.71 mm |
| August | 12.5 °C | 26.1 °C | 89.66 mm |
| September | 8.5 °C | 22.3 °C | 94.49 mm |
| October | 2.9 °C | 15.4 °C | 90.68 mm |
| November | -1.8 °C | 8.4 °C | 68.07 mm |
| December | -6.2 °C | 2.3 °C | 60.71 mm |
| Annual | 1.8 °C | 13.9 °C | 925.58 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°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 |