Paramus, New Jersey has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 44.9 °F (low) to 62.9 °F (high). Annual precipitation averages 47.7 Inches. Paramus is located in USDA Plant Hardiness Zone 7a. 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 | 23.3 °F | 38.9 °F | 3.51 in. |
| February | 25.1 °F | 41.6 °F | 2.73 in. |
| March | 31.9 °F | 49.5 °F | 4.13 in. |
| April | 42.3 °F | 61.8 °F | 4.03 in. |
| May | 52.1 °F | 71.8 °F | 3.69 in. |
| June | 61.6 °F | 80.8 °F | 4.64 in. |
| July | 67.1 °F | 85.8 °F | 4.31 in. |
| August | 65.4 °F | 83.8 °F | 4.52 in. |
| September | 58.0 °F | 77.1 °F | 4.19 in. |
| October | 46.1 °F | 65.3 °F | 4.28 in. |
| November | 36.5 °F | 54.2 °F | 3.58 in. |
| December | 29.2 °F | 44.0 °F | 4.12 in. |
| Annual | 44.9 °F | 62.9 °F | 47.73 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 7a : 0°F to 5°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 |