Hamptonburgh, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 40.2 °F (low) to 60.4 °F (high). Annual precipitation averages 44.8 Inches. Hamptonburgh is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 17.8 °F | 35.3 °F | 3.19 in. |
| February | 19.3 °F | 38.3 °F | 2.57 in. |
| March | 27.2 °F | 46.7 °F | 3.71 in. |
| April | 38.1 °F | 59.7 °F | 3.71 in. |
| May | 48.3 °F | 70.4 °F | 3.45 in. |
| June | 57.5 °F | 79.0 °F | 4.33 in. |
| July | 62.5 °F | 83.9 °F | 3.96 in. |
| August | 60.9 °F | 82.1 °F | 4.24 in. |
| September | 53.3 °F | 75.0 °F | 3.98 in. |
| October | 41.9 °F | 62.8 °F | 4.31 in. |
| November | 32.2 °F | 51.3 °F | 3.46 in. |
| December | 23.9 °F | 40.2 °F | 3.88 in. |
| Annual | 40.2 °F | 60.4 °F | 44.79 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |