Railroad, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.7 °C (low) to 17.5 °C (high). Annual precipitation averages 1207.5 Millimeters. Railroad is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.7 °C | 4.3 °C | 87.88 mm |
| February | -3.8 °C | 6.1 °C | 72.14 mm |
| March | -0.2 °C | 10.8 °C | 104.65 mm |
| April | 5.6 °C | 17.8 °C | 95.76 mm |
| May | 10.8 °C | 22.8 °C | 104.39 mm |
| June | 15.8 °C | 27.1 °C | 101.35 mm |
| July | 18.3 °C | 29.5 °C | 116.84 mm |
| August | 17.2 °C | 28.6 °C | 104.39 mm |
| September | 13.7 °C | 25.1 °C | 128.02 mm |
| October | 7.5 °C | 18.7 °C | 107.19 mm |
| November | 2.1 °C | 12.4 °C | 85.6 mm |
| December | -2 °C | 6.6 °C | 99.31 mm |
| Annual | 6.7 °C | 17.5 °C | 1207.52 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |