| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 4b: -25°F to -20°F Zone 4a: -30°F to -25°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: | 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 12870 - Schroon Lake, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 7 | 8 | 19 | 31 | 42 | 52 | 56 | 54 | 46 | 35 | 27 | 15 | 33 |
| Avg Max Temp (°F) | 28 | 31 | 41 | 54 | 68 | 76 | 80 | 77 | 69 | 57 | 44 | 33 | 55 |
| Avg Precip (In.) | 3.12 | 2.42 | 3.11 | 3.31 | 3.83 | 3.67 | 3.78 | 4.01 | 3.91 | 3.62 | 3.79 | 2.96 | 41.51 |