| 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 12302 - Schenectady, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 13 | 15 | 25 | 36 | 47 | 55 | 60 | 58 | 50 | 39 | 32 | 20 | 38 |
| Avg Max Temp (°F) | 31 | 34 | 43 | 56 | 69 | 77 | 82 | 79 | 71 | 60 | 47 | 35 | 57 |
| Avg Precip (In.) | 2.92 | 2.3 | 3.24 | 3.43 | 3.8 | 3.91 | 3.34 | 3.55 | 3.28 | 3.24 | 3.26 | 2.95 | 39.21 |