Valley-Hi, 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 15.8 °C (high). Annual precipitation averages 1053.6 Millimeters. Valley-Hi 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. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.7 °C | 2.3 °C | 66.29 mm |
| February | -5.7 °C | 4.2 °C | 56.64 mm |
| March | -2.2 °C | 8.9 °C | 89.41 mm |
| April | 4.2 °C | 15.9 °C | 92.46 mm |
| May | 9.7 °C | 21.4 °C | 110.74 mm |
| June | 14.3 °C | 25.7 °C | 108.2 mm |
| July | 16.4 °C | 28.1 °C | 96.01 mm |
| August | 15.4 °C | 27.3 °C | 87.88 mm |
| September | 11.6 °C | 23.7 °C | 101.6 mm |
| October | 5.7 °C | 17.1 °C | 90.42 mm |
| November | 0.4 °C | 10.7 °C | 72.64 mm |
| December | -3.8 °C | 4.6 °C | 81.28 mm |
| Annual | 4.9 °C | 15.8 °C | 1053.57 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |