Perry, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 2.8 °C (low) to 12.8 °C (high). Annual precipitation averages 1007.6 Millimeters. Perry 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.5 °C | -1 °C | 63.75 mm |
| February | -9.2 °C | 0.1 °C | 51.05 mm |
| March | -5.3 °C | 4.4 °C | 68.33 mm |
| April | 0.7 °C | 11.8 °C | 81.53 mm |
| May | 7.2 °C | 19.1 °C | 89.92 mm |
| June | 12.6 °C | 23.6 °C | 102.62 mm |
| July | 14.9 °C | 25.7 °C | 107.95 mm |
| August | 13.8 °C | 25 °C | 99.06 mm |
| September | 10.2 °C | 21.4 °C | 92.96 mm |
| October | 4.4 °C | 14.4 °C | 99.57 mm |
| November | -0.9 °C | 7.6 °C | 79.76 mm |
| December | -5.8 °C | 1.8 °C | 71.12 mm |
| Annual | 2.8 °C | 12.8 °C | 1007.62 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |