Clinton, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 37.9 °F (low) to 56.8 °F (high). Annual precipitation averages 46.7 Inches. Clinton is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 14.0 °F | 30.2 °F | 3.09 in. |
| February | 14.9 °F | 32.5 °F | 2.81 in. |
| March | 23.1 °F | 40.8 °F | 3.38 in. |
| April | 34.9 °F | 55.5 °F | 3.84 in. |
| May | 46.2 °F | 68.8 °F | 3.94 in. |
| June | 55.8 °F | 77.1 °F | 4.78 in. |
| July | 60.6 °F | 81.7 °F | 4.44 in. |
| August | 59.1 °F | 79.9 °F | 4.24 in. |
| September | 51.9 °F | 72.8 °F | 4.07 in. |
| October | 41.2 °F | 59.5 °F | 4.66 in. |
| November | 31.4 °F | 47.0 °F | 3.78 in. |
| December | 21.7 °F | 35.7 °F | 3.66 in. |
| Annual | 37.9 °F | 56.8 °F | 46.69 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 150-180 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 |