Endicott, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 3 °C (low) to 14.4 °C (high). Annual precipitation averages 1015.7 Millimeters. Endicott is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.1 °C | 0.1 °C | 65.53 mm |
| February | -8.7 °C | 1.4 °C | 52.58 mm |
| March | -4.8 °C | 6.3 °C | 78.99 mm |
| April | 1.1 °C | 13.8 °C | 89.66 mm |
| May | 7.4 °C | 20.6 °C | 83.82 mm |
| June | 12.4 °C | 25.3 °C | 107.19 mm |
| July | 14.9 °C | 27.3 °C | 100.33 mm |
| August | 14.3 °C | 26.9 °C | 103.12 mm |
| September | 10.3 °C | 22.9 °C | 98.81 mm |
| October | 4.1 °C | 15.9 °C | 92.46 mm |
| November | -1 °C | 8.7 °C | 71.88 mm |
| December | -5.2 °C | 3.1 °C | 71.37 mm |
| Annual | 3 °C | 14.4 °C | 1015.74 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| 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 |