Cadyville, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.7 °C (low) to 12.3 °C (high). Annual precipitation averages 952.5 Millimeters. Cadyville is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -13.2 °C | -2.9 °C | 58.67 mm |
| February | -12 °C | -1.2 °C | 50.04 mm |
| March | -6.7 °C | 3.7 °C | 61.21 mm |
| April | 0.6 °C | 11.4 °C | 78.23 mm |
| May | 7.3 °C | 19.1 °C | 84.84 mm |
| June | 12.4 °C | 23.7 °C | 110.24 mm |
| July | 15.2 °C | 26.3 °C | 94.23 mm |
| August | 14.2 °C | 25.4 °C | 92.46 mm |
| September | 9.7 °C | 21.4 °C | 83.06 mm |
| October | 3.7 °C | 13.9 °C | 101.09 mm |
| November | -2.2 °C | 6.8 °C | 71.12 mm |
| December | -8.5 °C | 0.4 °C | 67.31 mm |
| Annual | 1.7 °C | 12.3 °C | 952.5 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |