Clementon, New Jersey has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 7.3 °C (low) to 18.2 °C (high). Annual precipitation averages 1199.9 Millimeters. Clementon is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.2 °C | 5.2 °C | 93.22 mm |
| February | -3.4 °C | 6.7 °C | 71.88 mm |
| March | 0.3 °C | 11.1 °C | 115.32 mm |
| April | 5.9 °C | 17.8 °C | 88.9 mm |
| May | 11.2 °C | 23.3 °C | 96.52 mm |
| June | 16.3 °C | 28.2 °C | 107.19 mm |
| July | 19.4 °C | 30.6 °C | 119.63 mm |
| August | 18.5 °C | 29.5 °C | 120.65 mm |
| September | 14.8 °C | 25.8 °C | 103.12 mm |
| October | 8 °C | 19.2 °C | 97.79 mm |
| November | 2.4 °C | 13.3 °C | 78.99 mm |
| December | -1.3 °C | 7.8 °C | 106.68 mm |
| Annual | 7.3 °C | 18.2 °C | 1199.89 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |