Lenox, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 37.7 °F (low) to 57.1 °F (high). Annual precipitation averages 44.5 Inches. Lenox 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 13.9 °F | 30.8 °F | 2.87 in. |
| February | 14.8 °F | 33.0 °F | 2.46 in. |
| March | 23.0 °F | 40.9 °F | 3.02 in. |
| April | 34.5 °F | 55.9 °F | 3.78 in. |
| May | 46.0 °F | 68.8 °F | 3.81 in. |
| June | 55.3 °F | 77.1 °F | 4.32 in. |
| July | 60.0 °F | 81.7 °F | 4.0 in. |
| August | 58.5 °F | 80.1 °F | 4.35 in. |
| September | 51.2 °F | 73.2 °F | 4.19 in. |
| October | 41.1 °F | 60.0 °F | 4.66 in. |
| November | 31.9 °F | 47.6 °F | 3.5 in. |
| December | 22.1 °F | 36.3 °F | 3.55 in. |
| Annual | 37.7 °F | 57.1 °F | 44.51 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |