Leeds, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 4.5 °C (low) to 15.9 °C (high). Annual precipitation averages 1133.9 Millimeters. Leeds 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 | -8.2 °C | 1.4 °C | 81.03 mm |
| February | -7.4 °C | 3.1 °C | 63.5 mm |
| March | -3 °C | 8 °C | 84.33 mm |
| April | 3.1 °C | 16.1 °C | 92.2 mm |
| May | 9 °C | 22.3 °C | 85.34 mm |
| June | 14.1 °C | 26.7 °C | 112.01 mm |
| July | 16.8 °C | 29.3 °C | 102.36 mm |
| August | 15.9 °C | 28.1 °C | 117.6 mm |
| September | 11.7 °C | 24.1 °C | 108.2 mm |
| October | 5.5 °C | 17.1 °C | 112.27 mm |
| November | 0.3 °C | 10.3 °C | 81.79 mm |
| December | -4.4 °C | 4.1 °C | 93.22 mm |
| Annual | 4.5 °C | 15.9 °C | 1133.85 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 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |