| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 5b: -15°F to -10°F |
| 2012 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 5a: -20F to -15F |
| Average First Frost Date: | Oct. 1 - Oct. 10 |
| Average Last Frost Date: | May 11 - May 20 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 60a - Glaciated Low Plateau |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 13326 - Cooperstown, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 10 | 11 | 20 | 31 | 42 | 51 | 55 | 54 | 46 | 35 | 27 | 17 | 33 |
| Avg Max Temp (°F) | 30 | 32 | 42 | 54 | 67 | 75 | 79 | 77 | 69 | 58 | 45 | 34 | 55 |
| Avg Precip (In.) | 3.03 | 2.34 | 3.41 | 3.67 | 3.85 | 4.45 | 3.89 | 3.81 | 4.07 | 3.28 | 3.49 | 3.11 | 42.39 |