Gowanda, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 39.3 °F (low) to 58.9 °F (high). Annual precipitation averages 42.8 Inches. 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 | 17.7 °F | 33.3 °F | 3.47 in. |
| February | 18.1 °F | 35.6 °F | 2.49 in. |
| March | 24.8 °F | 44.4 °F | 3.0 in. |
| April | 35.5 °F | 58.1 °F | 3.44 in. |
| May | 46.9 °F | 70.5 °F | 3.26 in. |
| June | 56.2 °F | 78.1 °F | 3.64 in. |
| July | 60.5 °F | 81.9 °F | 4.35 in. |
| August | 59.2 °F | 80.7 °F | 3.82 in. |
| September | 52.5 °F | 74.4 °F | 4.12 in. |
| October | 42.3 °F | 62.0 °F | 3.74 in. |
| November | 33.1 °F | 49.2 °F | 3.65 in. |
| December | 24.7 °F | 38.6 °F | 3.83 in. |
| Annual | 39.3 °F | 58.9 °F | 42.81 in. |
| 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 : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |