Moshannon, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 2.7 °C (low) to 14.6 °C (high). Annual precipitation averages 1125.7 Millimeters. Moshannon is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.6 °C | 0.7 °C | 80.77 mm |
| February | -8.2 °C | 2.3 °C | 64.01 mm |
| March | -4.3 °C | 7.2 °C | 89.15 mm |
| April | 1.4 °C | 14.8 °C | 95.5 mm |
| May | 7.7 °C | 20.8 °C | 103.89 mm |
| June | 11.9 °C | 24.9 °C | 105.41 mm |
| July | 14.1 °C | 27.3 °C | 103.38 mm |
| August | 13.3 °C | 26.4 °C | 104.39 mm |
| September | 9.3 °C | 22.7 °C | 113.03 mm |
| October | 3.7 °C | 15.9 °C | 96.27 mm |
| November | -1.8 °C | 9.3 °C | 84.33 mm |
| December | -5.6 °C | 3 °C | 85.6 mm |
| Annual | 2.7 °C | 14.6 °C | 1125.73 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |