Carteret, New Jersey has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 8.1 °C (low) to 17.7 °C (high). Annual precipitation averages 1217.2 Millimeters. Carteret 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. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -3.7 °C | 4.6 °C | 88.39 mm |
| February | -2.7 °C | 5.9 °C | 71.37 mm |
| March | 0.8 °C | 10.3 °C | 104.65 mm |
| April | 6.3 °C | 17.1 °C | 98.3 mm |
| May | 11.8 °C | 22.5 °C | 98.55 mm |
| June | 17.1 °C | 27.6 °C | 115.57 mm |
| July | 20.2 °C | 30.3 °C | 125.22 mm |
| August | 19.5 °C | 29.3 °C | 114.05 mm |
| September | 15.7 °C | 25.6 °C | 106.68 mm |
| October | 9.1 °C | 19.1 °C | 107.44 mm |
| November | 3.7 °C | 12.8 °C | 84.07 mm |
| December | -0.4 °C | 7.4 °C | 102.87 mm |
| Annual | 8.1 °C | 17.7 °C | 1217.16 mm |
| 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 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 |