| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F |
| 2012 Hardiness Zone: | 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 21 - May 31 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 58x - Taconic Foothills |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 12062 - East Nassau, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 12 | 13 | 23 | 34 | 44 | 53 | 58 | 56 | 48 | 37 | 29 | 18 | 35 |
| Avg Max Temp (°F) | 30 | 33 | 43 | 55 | 68 | 75 | 80 | 78 | 70 | 59 | 46 | 35 | 56 |
| Avg Precip (In.) | 2.87 | 2.37 | 3 | 3.5 | 4.04 | 4.1 | 3.94 | 4.21 | 3.59 | 3.47 | 3.49 | 2.87 | 41.46 |