Croton-on-Hudson, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 6.2 °C (low) to 16.8 °C (high). Annual precipitation averages 1240.3 Millimeters. Croton-on-Hudson 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 | 3.3 °C | 92.46 mm |
| February | -4.9 °C | 4.8 °C | 67.56 mm |
| March | -0.9 °C | 9.2 °C | 101.35 mm |
| April | 4.7 °C | 16.3 °C | 97.54 mm |
| May | 10.1 °C | 22.1 °C | 87.38 mm |
| June | 15.3 °C | 26.9 °C | 111.51 mm |
| July | 18.3 °C | 29.5 °C | 116.08 mm |
| August | 17.4 °C | 28.4 °C | 126.24 mm |
| September | 13.4 °C | 24.7 °C | 118.62 mm |
| October | 7.1 °C | 18.1 °C | 116.59 mm |
| November | 1.7 °C | 12.1 °C | 103.89 mm |
| December | -2.4 °C | 6 °C | 101.09 mm |
| Annual | 6.2 °C | 16.8 °C | 1240.31 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 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 | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |