Monsey, 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 61.6 °F (high). Annual precipitation averages 49.9 Inches. Monsey is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 20.7 °F | 37.6 °F | 3.66 in. |
| February | 21.9 °F | 40.8 °F | 2.74 in. |
| March | 29.0 °F | 48.8 °F | 4.21 in. |
| April | 39.6 °F | 61.1 °F | 3.99 in. |
| May | 49.3 °F | 71.0 °F | 3.82 in. |
| June | 58.3 °F | 78.7 °F | 4.89 in. |
| July | 63.1 °F | 84.2 °F | 4.26 in. |
| August | 61.4 °F | 82.2 °F | 4.89 in. |
| September | 54.4 °F | 75.6 °F | 4.58 in. |
| October | 42.9 °F | 63.7 °F | 4.55 in. |
| November | 33.8 °F | 53.0 °F | 3.91 in. |
| December | 26.6 °F | 42.8 °F | 4.35 in. |
| Annual | 41.8 °F | 61.6 °F | 49.85 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| 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 |