Sherrill, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 38.2 °F (low) to 56.9 °F (high). Annual precipitation averages 43.7 Inches. Sherrill is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 14.1 °F | 30.5 °F | 2.76 in. |
| February | 14.9 °F | 32.6 °F | 2.54 in. |
| March | 23.3 °F | 40.9 °F | 3.08 in. |
| April | 35.1 °F | 55.5 °F | 3.45 in. |
| May | 46.6 °F | 68.7 °F | 3.85 in. |
| June | 56.0 °F | 76.9 °F | 4.42 in. |
| July | 60.9 °F | 81.5 °F | 4.18 in. |
| August | 59.4 °F | 79.9 °F | 4.21 in. |
| September | 52.2 °F | 72.9 °F | 3.89 in. |
| October | 41.6 °F | 59.7 °F | 4.55 in. |
| November | 31.8 °F | 47.4 °F | 3.37 in. |
| December | 22.1 °F | 36.1 °F | 3.41 in. |
| Annual | 38.2 °F | 56.9 °F | 43.71 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |