Binghamton, 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 57.8 °F (high). Annual precipitation averages 41 Inches. Binghamton is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 16.0 °F | 32.0 °F | 2.82 in. |
| February | 16.7 °F | 34.2 °F | 2.26 in. |
| March | 23.6 °F | 43.3 °F | 3.19 in. |
| April | 34.6 °F | 56.9 °F | 3.41 in. |
| May | 45.9 °F | 69.2 °F | 3.39 in. |
| June | 55.0 °F | 77.9 °F | 3.85 in. |
| July | 59.6 °F | 81.2 °F | 4.11 in. |
| August | 58.3 °F | 80.3 °F | 4.13 in. |
| September | 51.1 °F | 73.1 °F | 3.83 in. |
| October | 40.1 °F | 60.9 °F | 4.01 in. |
| November | 30.4 °F | 47.2 °F | 2.91 in. |
| December | 23.1 °F | 37.4 °F | 3.09 in. |
| Annual | 37.9 °F | 57.8 °F | 41 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°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 |