Chestnut Ridge, New York has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 42 °F (low) to 61.6 °F (high). Annual precipitation averages 49.3 Inches. Chestnut Ridge 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 | 20.5 °F | 37.6 °F | 3.6 in. |
| February | 21.9 °F | 40.6 °F | 2.7 in. |
| March | 29.2 °F | 48.6 °F | 4.15 in. |
| April | 39.7 °F | 61.1 °F | 3.97 in. |
| May | 49.5 °F | 70.8 °F | 3.79 in. |
| June | 58.7 °F | 79.0 °F | 4.88 in. |
| July | 63.6 °F | 84.1 °F | 4.31 in. |
| August | 62.0 °F | 82.2 °F | 4.86 in. |
| September | 54.7 °F | 75.6 °F | 4.37 in. |
| October | 43.1 °F | 63.6 °F | 4.51 in. |
| November | 33.8 °F | 52.8 °F | 3.86 in. |
| December | 26.8 °F | 42.7 °F | 4.27 in. |
| Annual | 42 °F | 61.6 °F | 49.27 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 6b : -5°F to 0°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |