Gang Mills, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 2.6 °C (low) to 14.9 °C (high). Annual precipitation averages 927.1 Millimeters. Gang Mills 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. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.3 °C | 0.7 °C | 56.13 mm |
| February | -8.7 °C | 2.1 °C | 46.23 mm |
| March | -4.9 °C | 6.8 °C | 68.07 mm |
| April | 0.8 °C | 14.3 °C | 81.79 mm |
| May | 6.8 °C | 21.2 °C | 76.2 mm |
| June | 11.9 °C | 25.6 °C | 99.82 mm |
| July | 14.3 °C | 28.2 °C | 92.2 mm |
| August | 13.6 °C | 27.2 °C | 92.96 mm |
| September | 9.7 °C | 23.3 °C | 99.57 mm |
| October | 3.7 °C | 16.3 °C | 84.58 mm |
| November | -1.4 °C | 9.3 °C | 67.31 mm |
| December | -5.5 °C | 3.3 °C | 62.23 mm |
| Annual | 2.6 °C | 14.9 °C | 927.09 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| 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 |