Mickleton, New Jersey has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.6 °C (low) to 18 °C (high). Annual precipitation averages 1189.5 Millimeters. Mickleton 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 | -3.2 °C | 5 °C | 92.2 mm |
| February | -2.4 °C | 6.3 °C | 72.9 mm |
| March | 1.3 °C | 10.7 °C | 112.01 mm |
| April | 7.1 °C | 17.4 °C | 90.42 mm |
| May | 12.4 °C | 22.9 °C | 93.73 mm |
| June | 17.7 °C | 28 °C | 108.46 mm |
| July | 20.8 °C | 30.3 °C | 117.35 mm |
| August | 19.9 °C | 29.3 °C | 116.33 mm |
| September | 16.1 °C | 25.8 °C | 104.9 mm |
| October | 9.6 °C | 19.1 °C | 98.3 mm |
| November | 3.9 °C | 13.1 °C | 76.96 mm |
| December | -0.3 °C | 7.7 °C | 105.92 mm |
| Annual | 8.6 °C | 18 °C | 1189.48 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 7a : -17.8°C to -15°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |