Fishkill, New York has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 40.8 °F (low) to 61.4 °F (high). Annual precipitation averages 46.6 Inches. Fishkill 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 | 18.0 °F | 36.2 °F | 3.43 in. |
| February | 19.7 °F | 39.1 °F | 2.81 in. |
| March | 27.6 °F | 47.7 °F | 3.4 in. |
| April | 38.7 °F | 60.4 °F | 3.63 in. |
| May | 48.8 °F | 71.4 °F | 3.44 in. |
| June | 58.0 °F | 80.0 °F | 4.63 in. |
| July | 63.2 °F | 85.4 °F | 4.59 in. |
| August | 61.6 °F | 83.6 °F | 4.11 in. |
| September | 54.0 °F | 76.2 °F | 4.53 in. |
| October | 42.6 °F | 63.8 °F | 4.47 in. |
| November | 32.7 °F | 52.1 °F | 3.53 in. |
| December | 24.3 °F | 41.1 °F | 3.99 in. |
| Annual | 40.8 °F | 61.4 °F | 46.56 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 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |