Sheridan, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 5.4 °C (low) to 14.1 °C (high). Annual precipitation averages 1091.2 Millimeters. Sheridan is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.6 °C | 0.8 °C | 83.06 mm |
| February | -6.6 °C | 1.8 °C | 60.71 mm |
| March | -2.9 °C | 6.1 °C | 74.93 mm |
| April | 2.9 °C | 12.8 °C | 87.88 mm |
| May | 9.3 °C | 19.2 °C | 86.36 mm |
| June | 14.8 °C | 24.3 °C | 83.57 mm |
| July | 17.2 °C | 26.4 °C | 97.79 mm |
| August | 16.7 °C | 25.8 °C | 92.71 mm |
| September | 13.1 °C | 22.6 °C | 105.92 mm |
| October | 7.2 °C | 16.1 °C | 116.84 mm |
| November | 1.9 °C | 9.5 °C | 101.85 mm |
| December | -2.8 °C | 3.7 °C | 99.57 mm |
| Annual | 5.4 °C | 14.1 °C | 1091.19 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |