Wynantskill, New York has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 38 °F (low) to 57.9 °F (high). Annual precipitation averages 43.4 Inches. Wynantskill 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 | 14.6 °F | 31.9 °F | 2.92 in. |
| February | 15.9 °F | 34.6 °F | 2.3 in. |
| March | 24.2 °F | 43.4 °F | 3.0 in. |
| April | 35.5 °F | 57.5 °F | 3.33 in. |
| May | 46.8 °F | 69.3 °F | 3.6 in. |
| June | 56.0 °F | 77.4 °F | 4.64 in. |
| July | 60.3 °F | 82.3 °F | 4.7 in. |
| August | 59.1 °F | 80.2 °F | 4.22 in. |
| September | 51.2 °F | 73.1 °F | 3.96 in. |
| October | 40.2 °F | 60.5 °F | 4.25 in. |
| November | 30.7 °F | 48.2 °F | 3.05 in. |
| December | 21.8 °F | 36.9 °F | 3.4 in. |
| Annual | 38 °F | 57.9 °F | 43.37 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 5b : -15°F to -10°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |