Constable, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 35.4 °F (low) to 54.4 °F (high). Annual precipitation averages 40.1 Inches. Constable is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 7.7 °F | 24.9 °F | 2.57 in. |
| February | 9.2 °F | 27.8 °F | 2.09 in. |
| March | 20.1 °F | 37.7 °F | 2.36 in. |
| April | 33.6 °F | 53.4 °F | 3.18 in. |
| May | 45.5 °F | 67.3 °F | 3.41 in. |
| June | 55.8 °F | 76.4 °F | 4.39 in. |
| July | 60.1 °F | 80.2 °F | 4.06 in. |
| August | 58.0 °F | 79.0 °F | 4.2 in. |
| September | 50.1 °F | 71.5 °F | 3.58 in. |
| October | 39.1 °F | 57.9 °F | 4.04 in. |
| November | 28.9 °F | 44.5 °F | 3.07 in. |
| December | 16.8 °F | 32.0 °F | 3.19 in. |
| Annual | 35.4 °F | 54.4 °F | 40.14 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| 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 |