Duane Lake, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 2.2 °C (low) to 13.8 °C (high). Annual precipitation averages 1063 Millimeters. Duane Lake is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -10.9 °C | -0.9 °C | 64.26 mm |
| February | -10.3 °C | 0.6 °C | 62.23 mm |
| March | -5.8 °C | 5.3 °C | 84.33 mm |
| April | 0.7 °C | 13.3 °C | 86.61 mm |
| May | 7.2 °C | 20.3 °C | 92.2 mm |
| June | 12.2 °C | 24.7 °C | 105.41 mm |
| July | 14.8 °C | 27.4 °C | 114.05 mm |
| August | 13.9 °C | 26.6 °C | 101.35 mm |
| September | 9.7 °C | 22.7 °C | 85.85 mm |
| October | 3.6 °C | 15.3 °C | 112.01 mm |
| November | -1.8 °C | 8.3 °C | 69.09 mm |
| December | -6.8 °C | 2.1 °C | 85.6 mm |
| Annual | 2.2 °C | 13.8 °C | 1062.99 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |