Cliffside Park, New Jersey has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 48.8 °F (low) to 62.1 °F (high). Annual precipitation averages 48 Inches. Cliffside Park 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. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 27.7 °F | 38.9 °F | 3.59 in. |
| February | 28.7 °F | 41.4 °F | 2.83 in. |
| March | 35.1 °F | 48.6 °F | 4.26 in. |
| April | 45.8 °F | 61.0 °F | 4.08 in. |
| May | 54.8 °F | 70.4 °F | 3.89 in. |
| June | 64.5 °F | 79.4 °F | 4.47 in. |
| July | 70.4 °F | 84.5 °F | 4.4 in. |
| August | 68.7 °F | 82.6 °F | 4.5 in. |
| September | 62.4 °F | 76.0 °F | 4.09 in. |
| October | 51.4 °F | 64.2 °F | 4.23 in. |
| November | 41.7 °F | 53.6 °F | 3.46 in. |
| December | 33.9 °F | 44.1 °F | 4.2 in. |
| Annual | 48.8 °F | 62.1 °F | 48 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 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 |