| 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 4b: -25°F to -20°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 13340 - Frankfort, 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 | 38 | 30 | 19 | 36 |
| Avg Max Temp (°F) | 31 | 33 | 43 | 56 | 69 | 78 | 82 | 80 | 72 | 60 | 47 | 35 | 57 |
| Avg Precip (In.) | 2.68 | 2.4 | 3.31 | 3.53 | 3.85 | 4.35 | 4.34 | 4 | 4.54 | 3.49 | 4.14 | 3.19 | 43.82 |