Fulton, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 38.5 °F (low) to 56.6 °F (high). Annual precipitation averages 46.7 Inches. Fulton 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 15.2 °F | 31.0 °F | 4.12 in. |
| February | 16.1 °F | 32.9 °F | 3.24 in. |
| March | 23.6 °F | 40.7 °F | 3.45 in. |
| April | 34.9 °F | 54.8 °F | 3.84 in. |
| May | 46.6 °F | 68.1 °F | 3.63 in. |
| June | 55.5 °F | 75.9 °F | 3.65 in. |
| July | 60.4 °F | 80.3 °F | 3.73 in. |
| August | 59.1 °F | 79.2 °F | 3.74 in. |
| September | 52.4 °F | 72.4 °F | 3.82 in. |
| October | 42.2 °F | 59.1 °F | 4.95 in. |
| November | 32.6 °F | 47.8 °F | 4.16 in. |
| December | 23.2 °F | 36.4 °F | 4.33 in. |
| Annual | 38.5 °F | 56.6 °F | 46.66 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |