Noxen, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 3.4 °C (low) to 14.9 °C (high). Annual precipitation averages 1216.2 Millimeters. Noxen is located in USDA Plant Hardiness Zone 6a. 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 | -8.6 °C | 0.9 °C | 90.17 mm |
| February | -8 °C | 2.4 °C | 65.53 mm |
| March | -3.8 °C | 7.1 °C | 84.33 mm |
| April | 2 °C | 14.6 °C | 105.92 mm |
| May | 7.9 °C | 20.9 °C | 101.35 mm |
| June | 12.9 °C | 25.3 °C | 128.78 mm |
| July | 15.3 °C | 28 °C | 114.81 mm |
| August | 14.3 °C | 26.9 °C | 112.52 mm |
| September | 10.4 °C | 23.1 °C | 121.41 mm |
| October | 4.3 °C | 16.3 °C | 117.6 mm |
| November | -0.6 °C | 9.7 °C | 81.03 mm |
| December | -4.9 °C | 3.8 °C | 92.71 mm |
| Annual | 3.4 °C | 14.9 °C | 1216.16 mm |
| 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 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 |