| 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 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: | Oct. 1 - Oct. 10 |
| Average Last Frost Date: | Jun. 1 - Jun. 10 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 58ab - Northern and Western Adirondack Foothills |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 12980 - Saint Regis Falls, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 5 | 7 | 17 | 30 | 42 | 51 | 56 | 54 | 46 | 36 | 27 | 13 | 32 |
| Avg Max Temp (°F) | 26 | 30 | 40 | 52 | 67 | 75 | 79 | 76 | 68 | 57 | 43 | 31 | 54 |
| Avg Precip (In.) | 2.86 | 2.35 | 2.78 | 3.07 | 3.39 | 3.92 | 4.29 | 4.72 | 4.26 | 3.48 | 3.61 | 3.06 | 41.78 |