| 2023 Hardiness Zone: | Zone 4b: -25°F to -20°F Zone 4a: -30°F to -25°F |
| 2012 Hardiness Zone: | Zone 3b: -35°F to -30°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 12986 - Tupper Lake, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 2 | 3 | 14 | 27 | 39 | 48 | 53 | 51 | 43 | 32 | 24 | 10 | 29 |
| Avg Max Temp (°F) | 25 | 28 | 37 | 49 | 64 | 72 | 77 | 75 | 66 | 55 | 41 | 30 | 52 |
| Avg Precip (In.) | 3.27 | 2.55 | 3 | 3.16 | 3.68 | 3.71 | 4.54 | 4.49 | 4.24 | 3.45 | 3.72 | 3.24 | 43.05 |