| 2023 Hardiness Zone: | Zone 7a: 0°F to 5°F | |
| 2012 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F | |
| 1990 Hardiness Zone: | Zone 6b: -5F to 0F | |
| Average First Frost Date: | Nov. 1 - Nov. 10 | |
| Average Last Frost Date: | Apr. 21 - Apr. 30 | |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year | |
| Ecoregion: | 59c - Southern New England Coastal Plains and Hills | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 10562 - Ossining, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 20 | 21 | 30 | 40 | 49 | 59 | 64 | 62 | 55 | 43 | 35 | 25 | 42 |
| Avg Max Temp (°F) | 37 | 40 | 49 | 60 | 72 | 80 | 85 | 83 | 75 | 64 | 53 | 42 | 61 |
| Avg Precip (In.) | 3.97 | 3.06 | 4.33 | 4.28 | 4.63 | 4.03 | 4.31 | 4.25 | 4.48 | 3.97 | 4.34 | 3.93 | 49.58 |