| 2023 Hardiness Zone: | Zone 7a: 0°F to 5°F | |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F | |
| 1990 Hardiness Zone: | Zone 6a: -10F to -5F | |
| Average First Frost Date: | Oct. 11 - Oct. 20 | |
| Average Last Frost Date: | Apr. 21 - Apr. 30 | |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers | |
| Ecoregion: | 64b - Trap Rock and Conglomerate Uplands | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 1 - 7 days Over 86°F |
Annual Climate Data for ZIP Code 07976 - New Vernon, NJ | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 18 | 20 | 28 | 38 | 47 | 56 | 61 | 60 | 52 | 40 | 33 | 24 | 40 |
| Avg Max Temp (°F) | 38 | 41 | 50 | 61 | 72 | 80 | 85 | 83 | 76 | 65 | 54 | 43 | 62 |
| Avg Precip (In.) | 4.14 | 2.99 | 4.2 | 4.34 | 4.86 | 4.24 | 4.97 | 4.4 | 4.94 | 3.97 | 4.24 | 3.92 | 51.21 |