Malden-on-Hudson, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 4.9 °C (low) to 16.2 °C (high). Annual precipitation averages 1126.8 Millimeters. Malden-on-Hudson is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.9 °C | 1.8 °C | 79.76 mm |
| February | -6.8 °C | 3.5 °C | 64.52 mm |
| March | -2.6 °C | 8.7 °C | 85.09 mm |
| April | 3.6 °C | 16.3 °C | 91.44 mm |
| May | 9.4 °C | 22.6 °C | 87.38 mm |
| June | 14.6 °C | 27.1 °C | 108.97 mm |
| July | 17.1 °C | 29.7 °C | 105.16 mm |
| August | 16.4 °C | 28.3 °C | 110.24 mm |
| September | 12.2 °C | 24.3 °C | 106.43 mm |
| October | 5.9 °C | 17.3 °C | 112.78 mm |
| November | 0.6 °C | 10.8 °C | 80.77 mm |
| December | -4.1 °C | 4.4 °C | 94.23 mm |
| Annual | 4.9 °C | 16.2 °C | 1126.77 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |