Ellenburg, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 33.3 °F (low) to 50.7 °F (high). Annual precipitation averages 46.8 Inches. Ellenburg is located in USDA Plant Hardiness Zone 4b. 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 | 7.1 °F | 25.5 °F | 2.98 in. |
| February | 9.9 °F | 27.6 °F | 2.48 in. |
| March | 18.6 °F | 36.3 °F | 3.11 in. |
| April | 30.7 °F | 48.1 °F | 3.88 in. |
| May | 43.3 °F | 61.4 °F | 4.31 in. |
| June | 51.8 °F | 69.8 °F | 4.58 in. |
| July | 56.4 °F | 74.3 °F | 4.97 in. |
| August | 55.0 °F | 72.8 °F | 4.09 in. |
| September | 47.9 °F | 66.5 °F | 4.41 in. |
| October | 37.7 °F | 53.3 °F | 5.0 in. |
| November | 26.1 °F | 41.5 °F | 3.59 in. |
| December | 14.8 °F | 30.7 °F | 3.41 in. |
| Annual | 33.3 °F | 50.7 °F | 46.81 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 4b : -25°F to -20°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |