West Haverstraw, New York has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.2 °C (low) to 16.7 °C (high). Annual precipitation averages 1225.3 Millimeters. West Haverstraw 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 Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.9 °C | 3.2 °C | 90.42 mm |
| February | -4.9 °C | 4.7 °C | 67.06 mm |
| March | -0.9 °C | 9.1 °C | 102.36 mm |
| April | 4.9 °C | 16.2 °C | 97.79 mm |
| May | 10.2 °C | 21.8 °C | 91.44 mm |
| June | 15.4 °C | 26.7 °C | 117.09 mm |
| July | 18.4 °C | 29.3 °C | 110.74 mm |
| August | 17.6 °C | 28.4 °C | 120.9 mm |
| September | 13.4 °C | 24.7 °C | 113.28 mm |
| October | 7.1 °C | 17.9 °C | 112.78 mm |
| November | 1.7 °C | 11.9 °C | 97.28 mm |
| December | -2.4 °C | 5.9 °C | 104.14 mm |
| Annual | 6.2 °C | 16.7 °C | 1225.28 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |