New Rochelle, New York has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 47.2 °F (low) to 62.3 °F (high). Annual precipitation averages 48.1 Inches. New Rochelle is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 26.2 °F | 39.4 °F | 3.68 in. |
| February | 27.1 °F | 41.4 °F | 2.85 in. |
| March | 33.4 °F | 48.4 °F | 4.12 in. |
| April | 43.3 °F | 60.2 °F | 3.89 in. |
| May | 53.0 °F | 70.4 °F | 3.77 in. |
| June | 62.8 °F | 79.4 °F | 4.57 in. |
| July | 68.8 °F | 84.7 °F | 4.17 in. |
| August | 67.8 °F | 82.9 °F | 4.48 in. |
| September | 61.2 °F | 76.7 °F | 4.4 in. |
| October | 50.1 °F | 65.2 °F | 4.21 in. |
| November | 40.5 °F | 54.4 °F | 3.65 in. |
| December | 32.5 °F | 44.7 °F | 4.34 in. |
| Annual | 47.2 °F | 62.3 °F | 48.13 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |