West Pittsburg, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.9 °C (low) to 16.6 °C (high). Annual precipitation averages 1044.7 Millimeters. West Pittsburg is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.6 °C | 2.4 °C | 76.45 mm |
| February | -6.2 °C | 4 °C | 59.94 mm |
| March | -2 °C | 9.3 °C | 77.72 mm |
| April | 3.4 °C | 16.7 °C | 94.23 mm |
| May | 9.1 °C | 22.3 °C | 97.54 mm |
| June | 14.1 °C | 27.1 °C | 109.98 mm |
| July | 16.4 °C | 29.2 °C | 111.25 mm |
| August | 15.7 °C | 28.6 °C | 91.44 mm |
| September | 11.8 °C | 25 °C | 94.49 mm |
| October | 5.8 °C | 18.1 °C | 79.76 mm |
| November | 0.8 °C | 11 °C | 73.91 mm |
| December | -3.3 °C | 5.1 °C | 77.98 mm |
| Annual | 4.9 °C | 16.6 °C | 1044.69 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |