Lacona, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 36.7 °F (low) to 55.5 °F (high). Annual precipitation averages 51 Inches. Lacona 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 | 12.5 °F | 29.4 °F | 4.97 in. |
| February | 13.5 °F | 31.4 °F | 3.72 in. |
| March | 21.5 °F | 39.7 °F | 3.3 in. |
| April | 33.2 °F | 54.0 °F | 3.81 in. |
| May | 44.9 °F | 67.0 °F | 3.85 in. |
| June | 54.0 °F | 74.9 °F | 3.89 in. |
| July | 59.5 °F | 79.1 °F | 3.69 in. |
| August | 58.3 °F | 78.3 °F | 4.12 in. |
| September | 51.1 °F | 71.7 °F | 4.46 in. |
| October | 40.8 °F | 58.8 °F | 5.43 in. |
| November | 30.8 °F | 46.2 °F | 4.69 in. |
| December | 20.6 °F | 35.0 °F | 5.11 in. |
| Annual | 36.7 °F | 55.5 °F | 51.04 in. |
| 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 : -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 |