| 2023 Hardiness Zone: | Zone 7b: 5°F to 10°F | |
| 2012 Hardiness Zone: | 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: | Dfa - Humid Continental Hot Summers | |
| 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 11560 - Locust Valley, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 23 | 25 | 32 | 41 | 50 | 60 | 65 | 64 | 57 | 46 | 38 | 29 | 44 |
| Avg Max Temp (°F) | 38 | 40 | 49 | 60 | 70 | 79 | 84 | 82 | 75 | 64 | 53 | 43 | 61 |
| Avg Precip (In.) | 3.98 | 3.04 | 4.3 | 4.24 | 4.37 | 3.8 | 4.04 | 4.04 | 4.2 | 3.77 | 4.11 | 3.85 | 47.74 |