Cooperstown, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 35.5 °F (low) to 56.3 °F (high). Annual precipitation averages 46.5 Inches. Cooperstown is located in USDA Plant Hardiness Zone 5b. 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 | 13.0 °F | 30.9 °F | 3.23 in. |
| February | 13.8 °F | 33.6 °F | 2.88 in. |
| March | 20.9 °F | 41.6 °F | 3.61 in. |
| April | 32.3 °F | 55.3 °F | 4.06 in. |
| May | 43.6 °F | 67.9 °F | 3.74 in. |
| June | 52.7 °F | 75.4 °F | 4.59 in. |
| July | 57.3 °F | 79.8 °F | 4.61 in. |
| August | 55.9 °F | 78.2 °F | 4.55 in. |
| September | 48.7 °F | 71.5 °F | 3.96 in. |
| October | 38.4 °F | 59.1 °F | 4.34 in. |
| November | 28.9 °F | 46.5 °F | 3.38 in. |
| December | 20.5 °F | 35.9 °F | 3.54 in. |
| Annual | 35.5 °F | 56.3 °F | 46.49 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| 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 |