Levittown, Pennsylvania has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 45.6 °F (low) to 64.6 °F (high). Annual precipitation averages 47.6 Inches. 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 Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 24.7 °F | 41.0 °F | 3.54 in. |
| February | 25.9 °F | 43.6 °F | 2.75 in. |
| March | 33.0 °F | 51.5 °F | 4.36 in. |
| April | 43.0 °F | 63.7 °F | 3.56 in. |
| May | 52.7 °F | 73.2 °F | 3.99 in. |
| June | 61.9 °F | 82.3 °F | 4.33 in. |
| July | 67.5 °F | 86.9 °F | 4.87 in. |
| August | 65.8 °F | 85.2 °F | 4.72 in. |
| September | 58.8 °F | 78.8 °F | 3.98 in. |
| October | 47.0 °F | 66.8 °F | 3.91 in. |
| November | 36.9 °F | 55.9 °F | 3.24 in. |
| December | 29.5 °F | 45.9 °F | 4.34 in. |
| Annual | 45.6 °F | 64.6 °F | 47.59 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |