| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°F |
| 2012 Hardiness Zone: | Zone 5a: -20°F to -15°F |
| 1990 Hardiness Zone: | Zone 4b: -25F to -20F |
| Average First Frost Date: | Oct. 1 - Oct. 10 |
| Average Last Frost Date: | May 11 - May 20 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 59i - Hudson Valley |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 12801 - Glens Falls, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 8 | 11 | 23 | 34 | 45 | 54 | 59 | 57 | 48 | 37 | 29 | 17 | 35 |
| Avg Max Temp (°F) | 29 | 32 | 43 | 56 | 69 | 77 | 82 | 79 | 71 | 59 | 46 | 34 | 56 |
| Avg Precip (In.) | 3.13 | 2.2 | 3.06 | 3.04 | 3.8 | 3.49 | 3.69 | 3.79 | 3.52 | 3.21 | 3.3 | 2.94 | 39.18 |