| 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 |
| 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: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 64a - Triassic Lowlands |
| Heat Zone Days: | 8 - 14 days Over 86°F |
Annual Climate Data for ZIP Code 08648 - Lawrence Township, NJ | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 22 | 23 | 31 | 40 | 50 | 59 | 64 | 63 | 55 | 43 | 35 | 27 | 43 |
| Avg Max Temp (°F) | 39 | 41 | 51 | 62 | 72 | 81 | 86 | 84 | 76 | 65 | 54 | 44 | 63 |
| Avg Precip (In.) | 3.8 | 2.87 | 3.95 | 3.88 | 4.56 | 3.8 | 5.13 | 4.35 | 4.5 | 3.52 | 3.77 | 3.79 | 47.92 |