Sleepy Hollow, New York has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 43.3 °F (low) to 62.1 °F (high). Annual precipitation averages 48.9 Inches. Sleepy Hollow is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 21.5 °F | 38.2 °F | 3.69 in. |
| February | 23.3 °F | 40.9 °F | 2.75 in. |
| March | 30.3 °F | 48.5 °F | 4.06 in. |
| April | 40.7 °F | 61.1 °F | 3.86 in. |
| May | 50.6 °F | 71.3 °F | 3.66 in. |
| June | 59.8 °F | 80.1 °F | 4.59 in. |
| July | 65.3 °F | 84.7 °F | 4.27 in. |
| August | 63.6 °F | 82.8 °F | 4.78 in. |
| September | 56.4 °F | 76.4 °F | 4.66 in. |
| October | 44.9 °F | 64.3 °F | 4.48 in. |
| November | 35.0 °F | 53.7 °F | 3.9 in. |
| December | 28.3 °F | 43.1 °F | 4.18 in. |
| Annual | 43.3 °F | 62.1 °F | 48.88 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |