Picture Rocks, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 3.9 °C (low) to 15.5 °C (high). Annual precipitation averages 1146.8 Millimeters. Picture Rocks 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 | -7.9 °C | 1.4 °C | 84.84 mm |
| February | -7.2 °C | 3 °C | 62.99 mm |
| March | -3.2 °C | 7.9 °C | 87.88 mm |
| April | 2.6 °C | 15.4 °C | 97.54 mm |
| May | 8.3 °C | 21.5 °C | 98.81 mm |
| June | 13.4 °C | 25.9 °C | 109.98 mm |
| July | 15.8 °C | 28.4 °C | 113.79 mm |
| August | 14.9 °C | 27.4 °C | 102.62 mm |
| September | 10.8 °C | 23.6 °C | 116.33 mm |
| October | 4.7 °C | 16.7 °C | 103.12 mm |
| November | -0.3 °C | 10.1 °C | 80.26 mm |
| December | -4.6 °C | 4.1 °C | 88.65 mm |
| Annual | 3.9 °C | 15.5 °C | 1146.81 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 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 | Dfb - Humid Continental Mild Summer, Wet All Year |