| 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 5a: -20F to -15F |
| 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: | 60c - Catskills Transition |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 13755 - Downsville, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 11 | 12 | 21 | 31 | 41 | 50 | 55 | 54 | 46 | 35 | 28 | 17 | 33 |
| Avg Max Temp (°F) | 31 | 34 | 42 | 54 | 66 | 74 | 79 | 77 | 69 | 59 | 46 | 35 | 56 |
| Avg Precip (In.) | 2.85 | 2.44 | 3.63 | 3.77 | 4.65 | 4.41 | 4.23 | 4.36 | 3.93 | 3.85 | 3.78 | 3.15 | 45.06 |