Kennedy, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 36.7 °F (low) to 56.9 °F (high). Annual precipitation averages 46.5 Inches. Kennedy is located in USDA Plant Hardiness Zone 6a. 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 | 15.5 °F | 31.5 °F | 3.72 in. |
| February | 15.8 °F | 34.0 °F | 2.67 in. |
| March | 22.7 °F | 42.8 °F | 3.17 in. |
| April | 33.5 °F | 56.1 °F | 3.9 in. |
| May | 44.3 °F | 68.2 °F | 4.02 in. |
| June | 53.2 °F | 76.0 °F | 4.48 in. |
| July | 57.1 °F | 80.1 °F | 4.66 in. |
| August | 56.0 °F | 78.7 °F | 3.86 in. |
| September | 49.7 °F | 72.4 °F | 4.16 in. |
| October | 39.3 °F | 59.8 °F | 4.23 in. |
| November | 30.4 °F | 47.2 °F | 3.76 in. |
| December | 22.8 °F | 36.5 °F | 3.91 in. |
| Annual | 36.7 °F | 56.9 °F | 46.54 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 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 |