Watchtower, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 39.8 °F (low) to 60.7 °F (high). Annual precipitation averages 47 Inches. Watchtower 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 | 17.6 °F | 35.4 °F | 3.37 in. |
| February | 19.2 °F | 38.4 °F | 2.73 in. |
| March | 27.1 °F | 46.8 °F | 3.76 in. |
| April | 37.9 °F | 60.2 °F | 3.75 in. |
| May | 47.8 °F | 70.9 °F | 3.63 in. |
| June | 56.9 °F | 79.6 °F | 4.53 in. |
| July | 61.9 °F | 84.5 °F | 4.33 in. |
| August | 60.2 °F | 82.7 °F | 4.36 in. |
| September | 52.6 °F | 75.6 °F | 4.47 in. |
| October | 41.3 °F | 63.1 °F | 4.5 in. |
| November | 31.7 °F | 51.3 °F | 3.49 in. |
| December | 23.7 °F | 40.2 °F | 4.07 in. |
| Annual | 39.8 °F | 60.7 °F | 46.99 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 | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |