| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F |
| Average First Frost Date: | Oct. 1 - Oct. 10 |
| Average Last Frost Date: | May 11 - May 20 |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers |
| Ecoregion: | 59i - Hudson Valley |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 12144 - Rensselaer, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 13 | 15 | 25 | 36 | 47 | 56 | 61 | 59 | 50 | 39 | 31 | 20 | 38 |
| Avg Max Temp (°F) | 32 | 35 | 45 | 57 | 70 | 78 | 83 | 81 | 73 | 61 | 49 | 37 | 58 |
| Avg Precip (In.) | 2.49 | 2.04 | 2.91 | 3.22 | 3.68 | 3.78 | 3.7 | 3.86 | 3.21 | 3.18 | 3.14 | 2.57 | 37.77 |