Kingston, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 4.3 °C (low) to 16.3 °C (high). Annual precipitation averages 1231.4 Millimeters. Kingston is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.3 °C | 2.2 °C | 88.9 mm |
| February | -7.4 °C | 3.8 °C | 70.1 mm |
| March | -3 °C | 8.7 °C | 94.74 mm |
| April | 3.1 °C | 16.1 °C | 99.06 mm |
| May | 8.8 °C | 22.3 °C | 96.52 mm |
| June | 13.9 °C | 26.9 °C | 109.98 mm |
| July | 16.7 °C | 29.6 °C | 120.9 mm |
| August | 15.9 °C | 28.4 °C | 110.74 mm |
| September | 11.6 °C | 24.4 °C | 122.68 mm |
| October | 5.4 °C | 17.4 °C | 121.92 mm |
| November | -0.1 °C | 10.9 °C | 90.42 mm |
| December | -4.8 °C | 4.8 °C | 105.41 mm |
| Annual | 4.3 °C | 16.3 °C | 1231.37 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |