Gerry, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 2.7 °C (low) to 12.8 °C (high). Annual precipitation averages 1269.5 Millimeters. Gerry is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.1 °C | -1.2 °C | 105.41 mm |
| February | -9.1 °C | 0.1 °C | 71.12 mm |
| March | -5.3 °C | 4.9 °C | 89.15 mm |
| April | 0.9 °C | 12.2 °C | 105.66 mm |
| May | 7.1 °C | 18.8 °C | 105.92 mm |
| June | 11.9 °C | 23.2 °C | 108.46 mm |
| July | 14.3 °C | 25.5 °C | 124.71 mm |
| August | 13.4 °C | 24.7 °C | 103.12 mm |
| September | 9.9 °C | 21.2 °C | 112.52 mm |
| October | 4.2 °C | 14.3 °C | 121.67 mm |
| November | -0.8 °C | 7.6 °C | 104.14 mm |
| December | -5.1 °C | 1.8 °C | 117.6 mm |
| Annual | 2.7 °C | 12.8 °C | 1269.48 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 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 |