| 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 4b: -25F to -20F |
| 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 13413 - New Hartford, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 12 | 14 | 23 | 34 | 45 | 54 | 58 | 57 | 49 | 39 | 30 | 19 | 36 |
| Avg Max Temp (°F) | 30 | 33 | 42 | 56 | 69 | 77 | 82 | 80 | 71 | 59 | 47 | 35 | 57 |
| Avg Precip (In.) | 3.19 | 2.57 | 3.41 | 3.58 | 3.75 | 4.2 | 3.98 | 3.73 | 4.53 | 3.45 | 4.12 | 3.49 | 44.01 |