Liberty, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 35.8 °F (low) to 55.2 °F (high). Annual precipitation averages 53.2 Inches. Liberty is located in USDA Plant Hardiness Zone 6a. 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 | 13.4 °F | 30.1 °F | 3.8 in. |
| February | 14.0 °F | 33.1 °F | 2.78 in. |
| March | 22.2 °F | 41.5 °F | 3.7 in. |
| April | 33.3 °F | 54.2 °F | 4.35 in. |
| May | 43.9 °F | 65.5 °F | 4.65 in. |
| June | 53.0 °F | 73.6 °F | 5.59 in. |
| July | 57.3 °F | 78.7 °F | 5.46 in. |
| August | 56.2 °F | 76.7 °F | 4.95 in. |
| September | 49.2 °F | 69.9 °F | 4.94 in. |
| October | 38.3 °F | 58.0 °F | 4.87 in. |
| November | 28.7 °F | 46.0 °F | 3.65 in. |
| December | 20.2 °F | 35.1 °F | 4.49 in. |
| Annual | 35.8 °F | 55.2 °F | 53.23 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |