Summit Station, 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 16 °C (high). Annual precipitation averages 1302.3 Millimeters. Summit Station is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.4 °C | 2.4 °C | 93.47 mm |
| February | -6.7 °C | 4 °C | 72.14 mm |
| March | -2.3 °C | 8.8 °C | 100.84 mm |
| April | 3.4 °C | 15.7 °C | 105.92 mm |
| May | 9.1 °C | 21.3 °C | 105.41 mm |
| June | 14 °C | 26 °C | 132.08 mm |
| July | 16.2 °C | 28.8 °C | 126.75 mm |
| August | 15.3 °C | 27.8 °C | 115.06 mm |
| September | 11.3 °C | 23.9 °C | 133.35 mm |
| October | 4.9 °C | 17.4 °C | 120.4 mm |
| November | -0.2 °C | 10.8 °C | 92.96 mm |
| December | -4.2 °C | 4.9 °C | 103.89 mm |
| Annual | 4.5 °C | 16 °C | 1302.27 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |