Schwenksville, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.5 °C (low) to 17.9 °C (high). Annual precipitation averages 1206.8 Millimeters. Schwenksville 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. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.2 °C | 4.3 °C | 85.6 mm |
| February | -4.5 °C | 5.8 °C | 70.36 mm |
| March | -0.6 °C | 10.6 °C | 98.81 mm |
| April | 5.1 °C | 17.6 °C | 95.5 mm |
| May | 10.6 °C | 23 °C | 101.6 mm |
| June | 15.8 °C | 27.9 °C | 109.22 mm |
| July | 18.6 °C | 30.6 °C | 118.62 mm |
| August | 17.7 °C | 29.7 °C | 112.52 mm |
| September | 13.6 °C | 25.9 °C | 119.63 mm |
| October | 7 °C | 19.1 °C | 104.9 mm |
| November | 1.6 °C | 12.8 °C | 81.53 mm |
| December | -2.3 °C | 7.1 °C | 108.46 mm |
| Annual | 6.5 °C | 17.9 °C | 1206.75 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| 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 | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |