Fairton, New Jersey has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8 °C (low) to 18.1 °C (high). Annual precipitation averages 1146.1 Millimeters. Fairton 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 | -3.7 °C | 5.7 °C | 84.33 mm |
| February | -2.9 °C | 6.7 °C | 73.41 mm |
| March | 0.9 °C | 10.8 °C | 105.92 mm |
| April | 6.5 °C | 17.5 °C | 86.61 mm |
| May | 11.9 °C | 22.7 °C | 90.42 mm |
| June | 17.1 °C | 27.7 °C | 106.68 mm |
| July | 20.1 °C | 30.2 °C | 113.79 mm |
| August | 19.1 °C | 28.9 °C | 113.28 mm |
| September | 15.4 °C | 25.9 °C | 97.54 mm |
| October | 8.9 °C | 19.6 °C | 96.01 mm |
| November | 3.2 °C | 13.6 °C | 77.22 mm |
| December | -0.9 °C | 8.3 °C | 100.84 mm |
| Annual | 8 °C | 18.1 °C | 1146.05 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 7a : -17.8°C to -15°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |