| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 4b: -25°F to -20°F |
| 2012 Hardiness Zone: | Zone 4b: -25°F to -20°F Zone 4a: -30°F to -25°F |
| 1990 Hardiness Zone: | Zone 4a: -30F to -25F |
| Average First Frost Date: | Sep. 21 - Sep. 30 |
| Average Last Frost Date: | Jun. 1 - Jun. 10 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 58aa - Acid Sensitive Adirondacks |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 12164 - Speculator, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 5 | 5 | 16 | 27 | 38 | 48 | 52 | 50 | 44 | 34 | 26 | 13 | 30 |
| Avg Max Temp (°F) | 27 | 30 | 39 | 50 | 65 | 74 | 77 | 74 | 67 | 56 | 42 | 30 | 52 |
| Avg Precip (In.) | 4.98 | 3.59 | 4.66 | 4.24 | 4.61 | 4.47 | 4.41 | 4.66 | 5.08 | 4.77 | 5.3 | 4.82 | 55.6 |