| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F | |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F | |
| 1990 Hardiness Zone: | Zone 6a: -10F to -5F | |
| Average First Frost Date: | Oct. 11 - Oct. 20 | |
| Average Last Frost Date: | May 11 - May 20 | |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers | |
| Ecoregion: | 58i - Glaciated Reading Prong | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 1 - 7 days Over 86°F |
Annual Climate Data for ZIP Code 10579 - Putnam Valley, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 16 | 18 | 27 | 37 | 47 | 56 | 61 | 60 | 52 | 40 | 32 | 23 | 39 |
| Avg Max Temp (°F) | 35 | 37 | 46 | 58 | 70 | 78 | 83 | 81 | 73 | 62 | 50 | 39 | 59 |
| Avg Precip (In.) | 4.13 | 3.19 | 4.2 | 4.32 | 4.88 | 4.16 | 4.5 | 4.4 | 4.63 | 4.26 | 4.66 | 4.01 | 51.34 |