Cherry Valley, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 3.5 °C (low) to 15.1 °C (high). Annual precipitation averages 1143.3 Millimeters. Cherry Valley is located in USDA Plant Hardiness Zone 6a. 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 | -8.1 °C | 0.9 °C | 83.82 mm |
| February | -7.6 °C | 2.6 °C | 64.26 mm |
| March | -3.7 °C | 7.7 °C | 85.6 mm |
| April | 2.2 °C | 15.3 °C | 100.08 mm |
| May | 7.9 °C | 21.3 °C | 98.3 mm |
| June | 12.8 °C | 25.6 °C | 128.02 mm |
| July | 14.9 °C | 27.7 °C | 120.4 mm |
| August | 14.2 °C | 27.1 °C | 100.84 mm |
| September | 10.4 °C | 23.4 °C | 104.39 mm |
| October | 4.6 °C | 16.6 °C | 86.11 mm |
| November | -0.6 °C | 9.5 °C | 85.34 mm |
| December | -4.7 °C | 3.4 °C | 86.11 mm |
| Annual | 3.5 °C | 15.1 °C | 1143.27 mm |
| 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 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |