| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F |
| Average First Frost Date: | Oct. 11 - Oct. 20 |
| 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 13790 - Johnson City, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 14 | 15 | 24 | 34 | 45 | 53 | 58 | 57 | 49 | 38 | 30 | 21 | 36 |
| Avg Max Temp (°F) | 30 | 33 | 42 | 55 | 67 | 76 | 80 | 78 | 70 | 59 | 46 | 36 | 56 |
| Avg Precip (In.) | 2.4 | 2.2 | 2.77 | 3.35 | 3.46 | 3.78 | 3.49 | 3.34 | 3.6 | 3 | 3.27 | 2.78 | 37.44 |