Gowanda, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 4 °C (low) to 15 °C (high). Annual precipitation averages 1087.4 Millimeters. Gowanda 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 | -7.9 °C | 0.7 °C | 88.14 mm |
| February | -7.7 °C | 2 °C | 63.25 mm |
| March | -4 °C | 6.9 °C | 76.2 mm |
| April | 1.9 °C | 14.5 °C | 87.38 mm |
| May | 8.3 °C | 21.4 °C | 82.8 mm |
| June | 13.4 °C | 25.6 °C | 92.46 mm |
| July | 15.8 °C | 27.7 °C | 110.49 mm |
| August | 15.1 °C | 27.1 °C | 97.03 mm |
| September | 11.4 °C | 23.6 °C | 104.65 mm |
| October | 5.7 °C | 16.7 °C | 95 mm |
| November | 0.6 °C | 9.6 °C | 92.71 mm |
| December | -4.1 °C | 3.7 °C | 97.28 mm |
| Annual | 4 °C | 15 °C | 1087.39 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| 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 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |