Yorktown Heights, New York has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 41.8 °F (low) to 61.4 °F (high). Annual precipitation averages 49.8 Inches. Yorktown Heights is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 20.1 °F | 36.8 °F | 3.74 in. |
| February | 21.9 °F | 39.9 °F | 2.72 in. |
| March | 28.8 °F | 47.8 °F | 3.93 in. |
| April | 39.3 °F | 61.1 °F | 3.91 in. |
| May | 48.9 °F | 71.5 °F | 3.55 in. |
| June | 58.2 °F | 79.4 °F | 4.5 in. |
| July | 63.4 °F | 84.3 °F | 4.71 in. |
| August | 62.2 °F | 82.3 °F | 5.13 in. |
| September | 54.9 °F | 75.4 °F | 4.74 in. |
| October | 43.6 °F | 63.8 °F | 4.63 in. |
| November | 34.1 °F | 52.4 °F | 4.14 in. |
| December | 26.2 °F | 41.7 °F | 4.09 in. |
| Annual | 41.8 °F | 61.4 °F | 49.79 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |