Lee, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 2 °C (low) to 12.6 °C (high). Annual precipitation averages 1396.2 Millimeters. Lee is located in USDA Plant Hardiness Zone 5b. 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 | -11.9 °C | -2.1 °C | 114.81 mm |
| February | -11 °C | -0.7 °C | 92.71 mm |
| March | -6.6 °C | 3.8 °C | 99.06 mm |
| April | 0.4 °C | 11.9 °C | 113.28 mm |
| May | 6.9 °C | 19.3 °C | 118.36 mm |
| June | 12.1 °C | 23.8 °C | 123.44 mm |
| July | 14.7 °C | 26.2 °C | 115.57 mm |
| August | 13.8 °C | 25.3 °C | 108.2 mm |
| September | 9.7 °C | 21.4 °C | 119.63 mm |
| October | 3.9 °C | 14.2 °C | 145.29 mm |
| November | -1.4 °C | 7.3 °C | 122.17 mm |
| December | -7.2 °C | 1 °C | 123.7 mm |
| Annual | 2 °C | 12.6 °C | 1396.22 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 5b : -26.1°C to -23.3°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 |