Trevorton, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.5 °C (low) to 15.7 °C (high). Annual precipitation averages 1208.3 Millimeters. Trevorton 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 | -7.3 °C | 1.9 °C | 90.17 mm |
| February | -6.6 °C | 3.5 °C | 69.34 mm |
| March | -2.4 °C | 8.4 °C | 95.76 mm |
| April | 3.6 °C | 15.6 °C | 103.38 mm |
| May | 8.7 °C | 21.4 °C | 100.84 mm |
| June | 13.9 °C | 25.8 °C | 116.59 mm |
| July | 16.2 °C | 28.4 °C | 110.49 mm |
| August | 15.2 °C | 27.5 °C | 104.65 mm |
| September | 11.3 °C | 23.8 °C | 128.27 mm |
| October | 5.3 °C | 17 °C | 109.73 mm |
| November | 0.1 °C | 10.3 °C | 85.34 mm |
| December | -4.1 °C | 4.4 °C | 93.73 mm |
| Annual | 4.5 °C | 15.7 °C | 1208.29 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 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 | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |