| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F |
| 2012 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 5a: -20F to -15F |
| 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 12019 - Ballston Lake, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 12 | 14 | 25 | 35 | 46 | 55 | 60 | 58 | 50 | 39 | 31 | 20 | 37 |
| Avg Max Temp (°F) | 31 | 34 | 44 | 57 | 70 | 78 | 82 | 80 | 72 | 60 | 47 | 35 | 57 |
| Avg Precip (In.) | 2.95 | 2.32 | 3.26 | 3.43 | 3.85 | 3.91 | 3.46 | 3.67 | 3.4 | 3.29 | 3.34 | 2.97 | 39.84 |