Coxsackie, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 4.8 °C (low) to 15.8 °C (high). Annual precipitation averages 1074.2 Millimeters. Coxsackie is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.9 °C | 1.3 °C | 71.37 mm |
| February | -7.1 °C | 2.9 °C | 59.44 mm |
| March | -2.7 °C | 8.2 °C | 79.5 mm |
| April | 3.4 °C | 16 °C | 85.6 mm |
| May | 9.3 °C | 22.3 °C | 86.11 mm |
| June | 14.4 °C | 26.6 °C | 108.46 mm |
| July | 17.1 °C | 29.2 °C | 100.58 mm |
| August | 16.3 °C | 28 °C | 108.97 mm |
| September | 12 °C | 24 °C | 101.35 mm |
| October | 5.8 °C | 17 °C | 109.73 mm |
| November | 0.6 °C | 10.2 °C | 75.69 mm |
| December | -4.1 °C | 4 °C | 87.38 mm |
| Annual | 4.8 °C | 15.8 °C | 1074.18 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |