Coopers Plains, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 36.6 °F (low) to 58.5 °F (high). Annual precipitation averages 35.9 Inches. Coopers Plains is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 15.1 °F | 32.9 °F | 2.12 in. |
| February | 16.1 °F | 35.6 °F | 1.76 in. |
| March | 23.0 °F | 44.0 °F | 2.6 in. |
| April | 33.3 °F | 57.6 °F | 3.12 in. |
| May | 44.3 °F | 70.0 °F | 3.07 in. |
| June | 53.4 °F | 78.0 °F | 3.79 in. |
| July | 57.6 °F | 82.5 °F | 3.66 in. |
| August | 56.3 °F | 80.8 °F | 3.5 in. |
| September | 49.4 °F | 73.6 °F | 3.82 in. |
| October | 38.6 °F | 61.2 °F | 3.44 in. |
| November | 29.6 °F | 48.5 °F | 2.62 in. |
| December | 22.0 °F | 37.6 °F | 2.37 in. |
| Annual | 36.6 °F | 58.5 °F | 35.87 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |