Buck Run, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 4.1 °C (low) to 14.5 °C (high). Annual precipitation averages 1327.9 Millimeters. Buck Run 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 | -7.9 °C | 0.8 °C | 93.47 mm |
| February | -7.2 °C | 2.2 °C | 71.88 mm |
| March | -3.2 °C | 7.1 °C | 108.46 mm |
| April | 3 °C | 14.3 °C | 107.7 mm |
| May | 8.7 °C | 20.1 °C | 109.98 mm |
| June | 13.6 °C | 24.5 °C | 124.71 mm |
| July | 16.1 °C | 27.5 °C | 128.78 mm |
| August | 15.1 °C | 26.5 °C | 116.08 mm |
| September | 11.3 °C | 22.6 °C | 136.91 mm |
| October | 5.2 °C | 15.9 °C | 129.03 mm |
| November | -0.3 °C | 9.2 °C | 96.27 mm |
| December | -4.7 °C | 3.5 °C | 104.65 mm |
| Annual | 4.1 °C | 14.5 °C | 1327.92 mm |
| 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 : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |