Fultonville, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 3.9 °C (low) to 14.5 °C (high). Annual precipitation averages 1074.7 Millimeters. Fultonville is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.3 °C | -0.3 °C | 79.5 mm |
| February | -8.6 °C | 1.3 °C | 63.5 mm |
| March | -4.1 °C | 6 °C | 83.06 mm |
| April | 2.4 °C | 13.9 °C | 87.38 mm |
| May | 8.9 °C | 21.1 °C | 88.65 mm |
| June | 13.8 °C | 25.6 °C | 114.3 mm |
| July | 16.7 °C | 28.1 °C | 108.97 mm |
| August | 15.7 °C | 27.3 °C | 98.3 mm |
| September | 11.6 °C | 23.3 °C | 88.9 mm |
| October | 5.2 °C | 16.6 °C | 98.3 mm |
| November | -0.4 °C | 8.8 °C | 81.79 mm |
| December | -5.2 °C | 2.6 °C | 82.04 mm |
| Annual | 3.9 °C | 14.5 °C | 1074.69 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 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 |