Ellicottville, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 34.8 °F (low) to 55.6 °F (high). Annual precipitation averages 47.4 Inches. Ellicottville is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 13.5 °F | 30.4 °F | 3.66 in. |
| February | 13.7 °F | 32.7 °F | 2.6 in. |
| March | 20.5 °F | 40.9 °F | 3.24 in. |
| April | 31.5 °F | 54.7 °F | 3.81 in. |
| May | 42.6 °F | 67.0 °F | 3.87 in. |
| June | 51.3 °F | 74.8 °F | 4.62 in. |
| July | 55.7 °F | 78.7 °F | 4.87 in. |
| August | 54.3 °F | 77.2 °F | 4.37 in. |
| September | 47.8 °F | 70.8 °F | 4.3 in. |
| October | 37.2 °F | 58.5 °F | 4.32 in. |
| November | 28.7 °F | 45.8 °F | 3.86 in. |
| December | 20.8 °F | 35.4 °F | 3.87 in. |
| Annual | 34.8 °F | 55.6 °F | 47.39 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |