Forked River, New Jersey has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7.6 °C (low) to 17.5 °C (high). Annual precipitation averages 1271.3 Millimeters. Forked River 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 | -3.8 °C | 5.4 °C | 103.89 mm |
| February | -3.4 °C | 6.6 °C | 83.57 mm |
| March | 0.2 °C | 10.1 °C | 130.05 mm |
| April | 5.6 °C | 16.1 °C | 88.65 mm |
| May | 10.8 °C | 21.2 °C | 97.79 mm |
| June | 16.3 °C | 26.7 °C | 106.43 mm |
| July | 19.6 °C | 29.2 °C | 112.01 mm |
| August | 19.2 °C | 28.3 °C | 121.41 mm |
| September | 15.7 °C | 24.9 °C | 91.44 mm |
| October | 9.1 °C | 19.1 °C | 117.6 mm |
| November | 3.3 °C | 13.4 °C | 95.5 mm |
| December | -0.9 °C | 8.4 °C | 122.94 mm |
| Annual | 7.6 °C | 17.5 °C | 1271.28 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |