Frackville, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 39 °F (low) to 58 °F (high). Annual precipitation averages 52.7 Inches. Frackville 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 | 17.4 °F | 33.2 °F | 3.75 in. |
| February | 18.5 °F | 35.7 °F | 2.95 in. |
| March | 25.9 °F | 44.4 °F | 4.07 in. |
| April | 36.9 °F | 57.7 °F | 4.32 in. |
| May | 47.0 °F | 68.4 °F | 4.53 in. |
| June | 56.0 °F | 76.1 °F | 5.1 in. |
| July | 60.6 °F | 81.0 °F | 4.96 in. |
| August | 58.7 °F | 79.3 °F | 4.59 in. |
| September | 51.9 °F | 72.6 °F | 5.34 in. |
| October | 40.9 °F | 61.0 °F | 5.08 in. |
| November | 31.3 °F | 48.3 °F | 3.85 in. |
| December | 23.2 °F | 38.0 °F | 4.2 in. |
| Annual | 39 °F | 58 °F | 52.74 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 |