Muhlenberg Park, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.6 °C (low) to 17.2 °C (high). Annual precipitation averages 1224.8 Millimeters. Muhlenberg Park 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 | -5.2 °C | 3.4 °C | 85.34 mm |
| February | -4.6 °C | 4.9 °C | 68.07 mm |
| March | -0.3 °C | 9.8 °C | 100.08 mm |
| April | 5.3 °C | 17.1 °C | 96.77 mm |
| May | 10.8 °C | 22.3 °C | 97.28 mm |
| June | 16 °C | 27.4 °C | 124.21 mm |
| July | 18.7 °C | 30 °C | 126.49 mm |
| August | 17.8 °C | 28.9 °C | 110.49 mm |
| September | 13.7 °C | 25.3 °C | 125.22 mm |
| October | 7.3 °C | 18.6 °C | 108.46 mm |
| November | 1.8 °C | 12 °C | 84.07 mm |
| December | -2.2 °C | 6.2 °C | 98.3 mm |
| Annual | 6.6 °C | 17.2 °C | 1224.78 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 | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |