Napanoch, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 39.5 °F (low) to 61 °F (high). Annual precipitation averages 47.1 Inches. Napanoch is located in USDA Plant Hardiness Zone 6b. 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 | 17.5 °F | 35.4 °F | 3.15 in. |
| February | 19.0 °F | 38.5 °F | 2.5 in. |
| March | 26.9 °F | 46.9 °F | 3.4 in. |
| April | 37.4 °F | 60.7 °F | 3.74 in. |
| May | 47.4 °F | 71.6 °F | 3.83 in. |
| June | 56.4 °F | 80.5 °F | 4.87 in. |
| July | 61.4 °F | 85.3 °F | 4.26 in. |
| August | 59.6 °F | 83.3 °F | 4.38 in. |
| September | 52.1 °F | 76.0 °F | 4.68 in. |
| October | 41.0 °F | 63.1 °F | 4.72 in. |
| November | 31.7 °F | 50.9 °F | 3.58 in. |
| December | 23.5 °F | 40.2 °F | 3.98 in. |
| Annual | 39.5 °F | 61 °F | 47.09 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |