East McKeesport, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 42 °F (low) to 61.5 °F (high). Annual precipitation averages 41.6 Inches. East McKeesport is located in USDA Plant Hardiness Zone 6b. 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 | 20.9 °F | 36.7 °F | 3.18 in. |
| February | 22.1 °F | 39.8 °F | 2.46 in. |
| March | 29.3 °F | 49.0 °F | 3.36 in. |
| April | 39.7 °F | 62.3 °F | 3.41 in. |
| May | 50.5 °F | 72.0 °F | 3.84 in. |
| June | 58.9 °F | 79.8 °F | 4.46 in. |
| July | 63.2 °F | 83.4 °F | 4.35 in. |
| August | 61.4 °F | 82.2 °F | 3.79 in. |
| September | 54.5 °F | 75.9 °F | 3.52 in. |
| October | 43.3 °F | 63.8 °F | 3.14 in. |
| November | 33.7 °F | 51.6 °F | 2.97 in. |
| December | 26.4 °F | 41.2 °F | 3.12 in. |
| Annual | 42 °F | 61.5 °F | 41.6 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 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |