Constableville, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 32.9 °F (low) to 53.2 °F (high). Annual precipitation averages 52.7 Inches. Constableville 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 | 7.5 °F | 26.4 °F | 4.52 in. |
| February | 8.7 °F | 29.0 °F | 3.4 in. |
| March | 17.4 °F | 37.4 °F | 3.51 in. |
| April | 30.5 °F | 51.4 °F | 3.97 in. |
| May | 42.3 °F | 65.5 °F | 4.32 in. |
| June | 51.2 °F | 73.3 °F | 4.59 in. |
| July | 55.8 °F | 77.7 °F | 4.28 in. |
| August | 54.1 °F | 76.6 °F | 4.45 in. |
| September | 46.9 °F | 69.2 °F | 4.61 in. |
| October | 37.2 °F | 56.1 °F | 5.64 in. |
| November | 26.9 °F | 43.3 °F | 4.55 in. |
| December | 16.2 °F | 32.1 °F | 4.83 in. |
| Annual | 32.9 °F | 53.2 °F | 52.67 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 |