Clifton, New Jersey has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 44.6 °F (low) to 62.8 °F (high). Annual precipitation averages 50 Inches. Clifton 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 | 23.0 °F | 38.7 °F | 3.69 in. |
| February | 24.7 °F | 41.4 °F | 2.84 in. |
| March | 31.5 °F | 49.5 °F | 4.38 in. |
| April | 41.9 °F | 61.6 °F | 4.14 in. |
| May | 51.7 °F | 71.8 °F | 4.13 in. |
| June | 61.3 °F | 80.7 °F | 4.82 in. |
| July | 66.8 °F | 85.8 °F | 4.39 in. |
| August | 65.2 °F | 83.9 °F | 4.47 in. |
| September | 57.7 °F | 77.0 °F | 4.52 in. |
| October | 45.8 °F | 65.1 °F | 4.56 in. |
| November | 36.2 °F | 53.9 °F | 3.73 in. |
| December | 28.9 °F | 43.7 °F | 4.31 in. |
| Annual | 44.6 °F | 62.8 °F | 49.98 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 |