| 2023 Hardiness Zone: | Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F | |
| 2012 Hardiness Zone: | Zone 7a: 0°F to 5°F | |
| 1990 Hardiness Zone: | Zone 7a: 0F to 5F | |
| Average First Frost Date: | Oct. 21 - Oct. 31 | |
| Average Last Frost Date: | May 1 - May 10 | |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year | |
| Ecoregion: | 84a - Cape Cod and Islands | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 11964 - Shelter Island, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 23 | 24 | 31 | 39 | 49 | 58 | 64 | 64 | 57 | 46 | 38 | 29 | 43 |
| Avg Max Temp (°F) | 38 | 39 | 47 | 56 | 66 | 75 | 81 | 80 | 73 | 63 | 53 | 44 | 60 |
| Avg Precip (In.) | 4.26 | 3.49 | 4.14 | 4.22 | 3.59 | 3.74 | 3.3 | 4.43 | 3.63 | 3.76 | 4.2 | 4.04 | 46.81 |