Muhlenberg Park, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 43.9 °F (low) to 62.9 °F (high). Annual precipitation averages 48.2 Inches. 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 | 22.6 °F | 38.2 °F | 3.36 in. |
| February | 23.8 °F | 40.9 °F | 2.68 in. |
| March | 31.4 °F | 49.7 °F | 3.94 in. |
| April | 41.5 °F | 62.7 °F | 3.81 in. |
| May | 51.5 °F | 72.2 °F | 3.83 in. |
| June | 60.8 °F | 81.4 °F | 4.89 in. |
| July | 65.7 °F | 86.0 °F | 4.98 in. |
| August | 64.0 °F | 84.0 °F | 4.35 in. |
| September | 56.7 °F | 77.5 °F | 4.93 in. |
| October | 45.1 °F | 65.4 °F | 4.27 in. |
| November | 35.2 °F | 53.6 °F | 3.31 in. |
| December | 28.0 °F | 43.1 °F | 3.87 in. |
| Annual | 43.9 °F | 62.9 °F | 48.22 in. |
| 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 : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |