West Hills, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 39.9 °F (low) to 61 °F (high). Annual precipitation averages 43.5 Inches. West Hills is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 19.2 °F | 35.8 °F | 3.29 in. |
| February | 20.2 °F | 38.8 °F | 2.49 in. |
| March | 27.1 °F | 48.0 °F | 3.26 in. |
| April | 37.3 °F | 61.9 °F | 3.66 in. |
| May | 48.0 °F | 72.1 °F | 3.91 in. |
| June | 56.9 °F | 79.5 °F | 4.53 in. |
| July | 60.7 °F | 83.2 °F | 4.71 in. |
| August | 59.3 °F | 82.2 °F | 4.06 in. |
| September | 52.4 °F | 75.7 °F | 3.96 in. |
| October | 41.2 °F | 63.4 °F | 3.04 in. |
| November | 32.1 °F | 50.9 °F | 3.29 in. |
| December | 24.9 °F | 40.2 °F | 3.34 in. |
| Annual | 39.9 °F | 61 °F | 43.54 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 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 |