| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°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. 1 - Oct. 10 |
| Average Last Frost Date: | May 11 - May 20 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 60b - Northeastern Uplands |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 12701 - Monticello, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 12 | 14 | 23 | 33 | 43 | 52 | 57 | 55 | 48 | 37 | 29 | 19 | 35 |
| Avg Max Temp (°F) | 32 | 34 | 44 | 56 | 68 | 75 | 80 | 78 | 70 | 60 | 47 | 36 | 57 |
| Avg Precip (In.) | 3.76 | 2.99 | 3.94 | 4.22 | 4.87 | 4.71 | 4.19 | 4.08 | 4.5 | 3.8 | 4.22 | 3.75 | 49.01 |