Avenel, New Jersey has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 7.6 °C (low) to 17.9 °C (high). Annual precipitation averages 1226 Millimeters. Avenel 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 | 4.6 °C | 89.15 mm |
| February | -3.3 °C | 6.1 °C | 71.37 mm |
| March | 0.4 °C | 10.6 °C | 105.66 mm |
| April | 5.9 °C | 17.3 °C | 98.55 mm |
| May | 11.4 °C | 22.8 °C | 99.82 mm |
| June | 16.7 °C | 27.8 °C | 116.59 mm |
| July | 19.7 °C | 30.6 °C | 126.24 mm |
| August | 18.9 °C | 29.5 °C | 113.79 mm |
| September | 15.1 °C | 25.8 °C | 107.19 mm |
| October | 8.5 °C | 19.1 °C | 108.2 mm |
| November | 3.1 °C | 13 °C | 85.09 mm |
| December | -1 °C | 7.4 °C | 104.39 mm |
| Annual | 7.6 °C | 17.9 °C | 1226.04 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 | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |