Heckscherville, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 39.5 °F (low) to 59.7 °F (high). Annual precipitation averages 52 Inches. Heckscherville is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 18.1 °F | 35.1 °F | 3.67 in. |
| February | 19.5 °F | 37.4 °F | 2.84 in. |
| March | 27.3 °F | 46.2 °F | 4.12 in. |
| April | 37.7 °F | 59.4 °F | 4.26 in. |
| May | 47.4 °F | 69.8 °F | 4.25 in. |
| June | 56.4 °F | 77.9 °F | 5.11 in. |
| July | 60.5 °F | 83.0 °F | 4.96 in. |
| August | 58.8 °F | 81.2 °F | 4.51 in. |
| September | 51.8 °F | 74.3 °F | 5.34 in. |
| October | 40.7 °F | 62.4 °F | 5.01 in. |
| November | 31.7 °F | 50.0 °F | 3.77 in. |
| December | 24.1 °F | 39.9 °F | 4.14 in. |
| Annual | 39.5 °F | 59.7 °F | 51.98 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |