Locustdale, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 39.4 °F (low) to 59.3 °F (high). Annual precipitation averages 49.5 Inches. Locustdale is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 17.8 °F | 34.6 °F | 3.54 in. |
| February | 19.3 °F | 37.3 °F | 2.7 in. |
| March | 26.9 °F | 46.0 °F | 3.94 in. |
| April | 37.7 °F | 59.1 °F | 4.04 in. |
| May | 47.4 °F | 69.6 °F | 4.22 in. |
| June | 56.3 °F | 77.5 °F | 4.65 in. |
| July | 60.5 °F | 82.6 °F | 4.73 in. |
| August | 58.6 °F | 80.7 °F | 4.32 in. |
| September | 51.8 °F | 73.9 °F | 5.16 in. |
| October | 41.1 °F | 61.8 °F | 4.71 in. |
| November | 31.8 °F | 49.6 °F | 3.63 in. |
| December | 24.1 °F | 39.3 °F | 3.84 in. |
| Annual | 39.4 °F | 59.3 °F | 49.48 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| 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 |