| 2023 Hardiness Zone: | Zone 7b: 5°F to 10°F | |
| 2012 Hardiness Zone: | Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F | |
| 1990 Hardiness Zone: | Zone 7a: 0F to 5F | |
| Average First Frost Date: | Nov. 11 - Nov. 20 | |
| Average Last Frost Date: | Apr. 11 - Apr. 20 | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 59g - Long Island Sound Coastal Lowland | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 11576 - Roslyn, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 25 | 26 | 33 | 41 | 51 | 60 | 66 | 65 | 58 | 47 | 39 | 30 | 45 |
| Avg Max Temp (°F) | 38 | 40 | 49 | 59 | 70 | 79 | 84 | 82 | 74 | 64 | 53 | 42 | 61 |
| Avg Precip (In.) | 3.92 | 2.99 | 4.25 | 4.19 | 4.28 | 3.69 | 4.01 | 3.88 | 4.01 | 3.58 | 3.98 | 3.74 | 46.5 |