Mountain Top, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 38.6 °F (low) to 57.8 °F (high). Annual precipitation averages 51.3 Inches. Mountain Top 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. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 17.3 °F | 33.3 °F | 3.82 in. |
| February | 18.7 °F | 36.2 °F | 2.8 in. |
| March | 25.8 °F | 44.3 °F | 3.86 in. |
| April | 36.2 °F | 57.5 °F | 4.27 in. |
| May | 46.8 °F | 68.4 °F | 4.3 in. |
| June | 55.3 °F | 76.2 °F | 5.25 in. |
| July | 59.8 °F | 80.5 °F | 4.59 in. |
| August | 57.8 °F | 78.7 °F | 4.71 in. |
| September | 51.0 °F | 71.9 °F | 5.08 in. |
| October | 40.6 °F | 60.3 °F | 4.86 in. |
| November | 31.2 °F | 48.5 °F | 3.72 in. |
| December | 23.1 °F | 38.3 °F | 4.03 in. |
| Annual | 38.6 °F | 57.8 °F | 51.29 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 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 | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |