| 2023 Hardiness Zone: | Zone 7b: 5°F to 10°F | |
| 2012 Hardiness Zone: | Zone 6b: -5°F to 0°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: | 64e - Glaciated Triassic Lowlands | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 8 - 14 days Over 86°F |
Annual Climate Data for ZIP Code 07104 - Newark, NJ | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 23 | 25 | 32 | 42 | 52 | 61 | 67 | 65 | 57 | 46 | 37 | 28 | 45 |
| Avg Max Temp (°F) | 38 | 41 | 50 | 61 | 71 | 80 | 85 | 83 | 76 | 65 | 54 | 43 | 62 |
| Avg Precip (In.) | 3.95 | 2.98 | 4.19 | 4.07 | 4.57 | 3.71 | 4.65 | 4.21 | 4.41 | 3.56 | 4.03 | 3.73 | 48.07 |