| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F 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: | 83f - Mohawk Valley |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 12010 - Amsterdam, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 11 | 12 | 23 | 34 | 45 | 54 | 59 | 57 | 49 | 38 | 29 | 18 | 36 |
| Avg Max Temp (°F) | 29 | 33 | 42 | 56 | 69 | 77 | 81 | 79 | 71 | 60 | 46 | 34 | 56 |
| Avg Precip (In.) | 2.83 | 2.28 | 2.99 | 3.25 | 3.77 | 3.93 | 3.6 | 3.55 | 3.59 | 3.42 | 3.44 | 2.89 | 39.55 |