Kulpmont, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 4.3 °C (low) to 15.1 °C (high). Annual precipitation averages 1247.7 Millimeters. Kulpmont 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 | -7.8 °C | 1.3 °C | 91.44 mm |
| February | -7.1 °C | 2.8 °C | 67.82 mm |
| March | -2.8 °C | 7.7 °C | 97.54 mm |
| April | 3.2 °C | 14.9 °C | 106.93 mm |
| May | 8.7 °C | 20.8 °C | 107.95 mm |
| June | 13.6 °C | 25.2 °C | 122.68 mm |
| July | 16.1 °C | 28 °C | 113.79 mm |
| August | 15.1 °C | 26.9 °C | 108.46 mm |
| September | 11.3 °C | 23.2 °C | 130.3 mm |
| October | 5.3 °C | 16.4 °C | 114.81 mm |
| November | -0.1 °C | 9.7 °C | 91.19 mm |
| December | -4.4 °C | 3.9 °C | 94.74 mm |
| Annual | 4.3 °C | 15.1 °C | 1247.65 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 |