| 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 21 - May 31 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 58ac - Eastern Adirondack Foothills |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 12850 - Middle Grove, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 8 | 10 | 20 | 32 | 43 | 52 | 57 | 56 | 48 | 37 | 29 | 16 | 34 |
| Avg Max Temp (°F) | 29 | 32 | 41 | 53 | 66 | 74 | 79 | 77 | 68 | 58 | 45 | 33 | 55 |
| Avg Precip (In.) | 4.31 | 3.12 | 4.41 | 4.07 | 4.26 | 4.12 | 3.82 | 4.07 | 4.73 | 3.85 | 4.26 | 4.13 | 49.15 |