Levittown, New York has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7.7 °C (low) to 16.8 °C (high). Annual precipitation averages 1197.9 Millimeters. Levittown 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. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -3.6 °C | 4.3 °C | 96.27 mm |
| February | -2.9 °C | 5.6 °C | 77.98 mm |
| March | 0.3 °C | 9.4 °C | 110.74 mm |
| April | 5.4 °C | 15.6 °C | 103.89 mm |
| May | 10.7 °C | 20.9 °C | 92.96 mm |
| June | 16.2 °C | 25.9 °C | 105.16 mm |
| July | 19.6 °C | 29.1 °C | 94.74 mm |
| August | 18.9 °C | 28.1 °C | 107.19 mm |
| September | 15.2 °C | 24.5 °C | 99.06 mm |
| October | 9 °C | 18.4 °C | 116.59 mm |
| November | 3.7 °C | 12.4 °C | 84.33 mm |
| December | -0.3 °C | 7.3 °C | 108.97 mm |
| Annual | 7.7 °C | 16.8 °C | 1197.88 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |