| 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: | Oct. 21 - Oct. 31 | |
| 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 10504 - Armonk, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 20 | 21 | 30 | 39 | 49 | 58 | 64 | 62 | 55 | 43 | 35 | 26 | 42 |
| Avg Max Temp (°F) | 36 | 38 | 47 | 59 | 70 | 78 | 83 | 81 | 74 | 63 | 51 | 40 | 60 |
| Avg Precip (In.) | 4.23 | 3.15 | 4.48 | 4.38 | 4.67 | 4.23 | 4.21 | 4.33 | 4.58 | 4.06 | 4.51 | 4.07 | 50.9 |