Hackensack, New Jersey has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 46.2 °F (low) to 63.1 °F (high). Annual precipitation averages 47.9 Inches. Hackensack is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 24.7 °F | 39.2 °F | 3.57 in. |
| February | 26.4 °F | 41.8 °F | 2.79 in. |
| March | 32.9 °F | 49.4 °F | 4.22 in. |
| April | 43.2 °F | 61.6 °F | 4.09 in. |
| May | 53.1 °F | 71.5 °F | 3.82 in. |
| June | 62.8 °F | 81.2 °F | 4.52 in. |
| July | 68.4 °F | 86.1 °F | 4.34 in. |
| August | 66.9 °F | 84.0 °F | 4.5 in. |
| September | 59.7 °F | 77.6 °F | 4.11 in. |
| October | 47.9 °F | 65.8 °F | 4.35 in. |
| November | 38.0 °F | 54.7 °F | 3.45 in. |
| December | 30.5 °F | 44.5 °F | 4.16 in. |
| Annual | 46.2 °F | 63.1 °F | 47.92 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |