Ben Avon, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 42.9 °F (low) to 62 °F (high). Annual precipitation averages 39.9 Inches. Ben Avon is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 22.0 °F | 37.3 °F | 3.17 in. |
| February | 23.3 °F | 39.9 °F | 2.55 in. |
| March | 30.2 °F | 49.1 °F | 3.03 in. |
| April | 40.4 °F | 62.8 °F | 3.41 in. |
| May | 50.8 °F | 72.3 °F | 3.69 in. |
| June | 59.6 °F | 80.5 °F | 4.07 in. |
| July | 63.9 °F | 84.3 °F | 4.13 in. |
| August | 62.6 °F | 83.0 °F | 3.39 in. |
| September | 55.8 °F | 76.6 °F | 3.6 in. |
| October | 44.3 °F | 64.3 °F | 2.92 in. |
| November | 34.6 °F | 52.0 °F | 2.84 in. |
| December | 27.3 °F | 41.6 °F | 3.13 in. |
| Annual | 42.9 °F | 62 °F | 39.93 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |