Dalton, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 35.3 °F (low) to 56 °F (high). Annual precipitation averages 38.1 Inches. Dalton is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 13.9 °F | 30.7 °F | 2.34 in. |
| February | 14.5 °F | 32.9 °F | 1.86 in. |
| March | 21.0 °F | 40.8 °F | 2.55 in. |
| April | 31.8 °F | 54.6 °F | 3.14 in. |
| May | 43.1 °F | 67.3 °F | 3.34 in. |
| June | 52.4 °F | 75.4 °F | 3.88 in. |
| July | 56.6 °F | 79.4 °F | 3.94 in. |
| August | 54.6 °F | 78.2 °F | 3.7 in. |
| September | 48.1 °F | 71.7 °F | 3.79 in. |
| October | 38.4 °F | 59.1 °F | 3.73 in. |
| November | 29.1 °F | 46.1 °F | 2.9 in. |
| December | 20.6 °F | 35.8 °F | 2.89 in. |
| Annual | 35.3 °F | 56 °F | 38.06 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |