| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F | |
| 2012 Hardiness Zone: | Zone 6b: -5°F to 0°F | |
| 1990 Hardiness Zone: | Zone 6a: -10F to -5F | |
| Average First Frost Date: | Oct. 21 - Oct. 31 | |
| Average Last Frost Date: | May 1 - May 10 | |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers | |
| 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 10598 - Yorktown Heights, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 18 | 19 | 28 | 38 | 48 | 57 | 62 | 61 | 53 | 42 | 34 | 24 | 40 |
| Avg Max Temp (°F) | 35 | 38 | 47 | 59 | 70 | 78 | 83 | 81 | 73 | 62 | 50 | 39 | 60 |
| Avg Precip (In.) | 4.09 | 3.15 | 4.3 | 4.34 | 4.78 | 4.21 | 4.34 | 4.43 | 4.57 | 4.13 | 4.42 | 3.98 | 50.73 |