Millwood, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 42.5 °F (low) to 61.8 °F (high). Annual precipitation averages 50.7 Inches. Millwood is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 21.0 °F | 37.3 °F | 3.81 in. |
| February | 22.6 °F | 40.3 °F | 2.76 in. |
| March | 29.5 °F | 48.4 °F | 4.06 in. |
| April | 39.9 °F | 61.2 °F | 3.95 in. |
| May | 49.5 °F | 71.5 °F | 3.64 in. |
| June | 58.8 °F | 79.8 °F | 4.6 in. |
| July | 64.1 °F | 84.7 °F | 4.76 in. |
| August | 62.9 °F | 82.8 °F | 5.08 in. |
| September | 55.5 °F | 75.8 °F | 4.8 in. |
| October | 44.3 °F | 64.1 °F | 4.72 in. |
| November | 35.0 °F | 52.9 °F | 4.29 in. |
| December | 27.2 °F | 42.2 °F | 4.22 in. |
| Annual | 42.5 °F | 61.8 °F | 50.69 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |