| 2023 Hardiness Zone: | Zone 7b: 5°F to 10°F 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. 11 - Apr. 20 |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers |
| Ecoregion: | 84b - Pine Barrens |
| Heat Zone Days: | 1 - 7 days Over 86°F |
Annual Climate Data for ZIP Code 07731 - Howell, NJ | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 21 | 23 | 31 | 39 | 49 | 59 | 64 | 63 | 55 | 43 | 35 | 27 | 42 |
| Avg Max Temp (°F) | 40 | 42 | 51 | 61 | 72 | 80 | 85 | 83 | 77 | 66 | 55 | 45 | 63 |
| Avg Precip (In.) | 4 | 3.1 | 4.21 | 3.95 | 4.14 | 3.62 | 4.64 | 4.59 | 4.15 | 3.57 | 4 | 3.83 | 47.81 |