York, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 3.6 °C (low) to 14.1 °C (high). Annual precipitation averages 896.4 Millimeters. York 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 | -8.6 °C | 0.2 °C | 57.91 mm |
| February | -8.3 °C | 1.1 °C | 45.72 mm |
| March | -4.4 °C | 5.7 °C | 62.99 mm |
| April | 1.6 °C | 13.1 °C | 74.93 mm |
| May | 8.1 °C | 20.2 °C | 77.72 mm |
| June | 13.3 °C | 24.9 °C | 90.42 mm |
| July | 15.7 °C | 27.1 °C | 96.52 mm |
| August | 14.8 °C | 26.3 °C | 87.12 mm |
| September | 10.9 °C | 22.7 °C | 82.3 mm |
| October | 5.3 °C | 15.8 °C | 88.14 mm |
| November | 0 °C | 8.9 °C | 69.34 mm |
| December | -4.7 °C | 3.1 °C | 63.25 mm |
| Annual | 3.6 °C | 14.1 °C | 896.36 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 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |