Spring House, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.9 °C (low) to 17.5 °C (high). Annual precipitation averages 1222 Millimeters. Spring House 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.9 °C | 4.2 °C | 85.85 mm |
| February | -4 °C | 5.8 °C | 71.37 mm |
| March | -0.2 °C | 10.3 °C | 103.89 mm |
| April | 5.4 °C | 17.2 °C | 95.5 mm |
| May | 10.9 °C | 22.5 °C | 104.14 mm |
| June | 16.2 °C | 27.5 °C | 111.51 mm |
| July | 19.1 °C | 30.1 °C | 120.14 mm |
| August | 18.2 °C | 29.1 °C | 120.4 mm |
| September | 14.1 °C | 25.5 °C | 111.76 mm |
| October | 7.5 °C | 18.8 °C | 104.14 mm |
| November | 1.9 °C | 12.6 °C | 82.55 mm |
| December | -1.9 °C | 6.9 °C | 110.74 mm |
| Annual | 6.9 °C | 17.5 °C | 1221.99 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| 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 | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |