Hailesboro, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 35 °F (low) to 54.7 °F (high). Annual precipitation averages 39.6 Inches. Hailesboro is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 8.1 °F | 27.2 °F | 2.83 in. |
| February | 9.1 °F | 29.5 °F | 2.07 in. |
| March | 19.7 °F | 38.3 °F | 2.44 in. |
| April | 32.9 °F | 53.3 °F | 3.15 in. |
| May | 44.5 °F | 66.5 °F | 3.39 in. |
| June | 54.3 °F | 75.1 °F | 4.05 in. |
| July | 59.5 °F | 79.5 °F | 3.56 in. |
| August | 57.6 °F | 78.4 °F | 3.39 in. |
| September | 49.4 °F | 71.5 °F | 3.66 in. |
| October | 38.6 °F | 58.0 °F | 4.56 in. |
| November | 28.5 °F | 45.4 °F | 3.5 in. |
| December | 17.4 °F | 33.2 °F | 3.04 in. |
| Annual | 35 °F | 54.7 °F | 39.64 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -25°F to -20°F |
| Plant Hardiness Zone - 2012 | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |