| 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. 11 - Apr. 20 | |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers | |
| Ecoregion: | 64e - Glaciated Triassic Lowlands | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 15 - 30 days Over 86°F |
Annual Climate Data for ZIP Code 07016 - Cranford, NJ | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 21 | 22 | 30 | 39 | 49 | 59 | 64 | 63 | 55 | 43 | 35 | 26 | 42 |
| Avg Max Temp (°F) | 39 | 42 | 51 | 62 | 72 | 81 | 86 | 84 | 76 | 65 | 54 | 43 | 63 |
| Avg Precip (In.) | 4.05 | 3.04 | 4.2 | 4.15 | 4.77 | 4.02 | 5.03 | 4.36 | 4.62 | 3.89 | 4.26 | 3.9 | 50.3 |