Hampton, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.7 °C (low) to 13.6 °C (high). Annual precipitation averages 1090.7 Millimeters. Hampton is located in USDA Plant Hardiness Zone 5a. 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 | -11.9 °C | -1 °C | 73.91 mm |
| February | -11.4 °C | 0.7 °C | 58.67 mm |
| March | -6.2 °C | 5.6 °C | 77.72 mm |
| April | 0.4 °C | 13.1 °C | 86.36 mm |
| May | 6.8 °C | 19.9 °C | 92.96 mm |
| June | 11.9 °C | 24.6 °C | 112.78 mm |
| July | 14.5 °C | 27.1 °C | 111 mm |
| August | 13.6 °C | 26.2 °C | 111.25 mm |
| September | 9.2 °C | 22.3 °C | 92.96 mm |
| October | 3.2 °C | 14.9 °C | 105.16 mm |
| November | -2.1 °C | 8.2 °C | 82.55 mm |
| December | -7.4 °C | 1.9 °C | 85.34 mm |
| Annual | 1.7 °C | 13.6 °C | 1090.66 mm |
| 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 5a : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |