Wanakah, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 5.1 °C (low) to 13.2 °C (high). Annual precipitation averages 1056.9 Millimeters. Wanakah is located in USDA Plant Hardiness Zone 6b. 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 | -6.9 °C | 0.4 °C | 82.8 mm |
| February | -6.9 °C | 0.9 °C | 62.23 mm |
| March | -3.4 °C | 4.7 °C | 74.68 mm |
| April | 2.3 °C | 11.2 °C | 78.99 mm |
| May | 8.8 °C | 17.7 °C | 95.76 mm |
| June | 14.4 °C | 22.6 °C | 88.9 mm |
| July | 17.2 °C | 25.3 °C | 91.69 mm |
| August | 16.5 °C | 25.3 °C | 83.82 mm |
| September | 12.9 °C | 22.3 °C | 103.38 mm |
| October | 7 °C | 15.5 °C | 111.51 mm |
| November | 1.8 °C | 9.2 °C | 95.5 mm |
| December | -3.1 °C | 3.6 °C | 87.63 mm |
| Annual | 5.1 °C | 13.2 °C | 1056.89 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 6b : -20.6°C to -17.8°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 |