Sandy Ridge, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 3.1 °C (low) to 13.5 °C (high). Annual precipitation averages 1129.3 Millimeters. Sandy Ridge is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.7 °C | -0.2 °C | 78.74 mm |
| February | -8 °C | 1.3 °C | 65.53 mm |
| March | -3.9 °C | 6.2 °C | 88.65 mm |
| April | 1.9 °C | 13.8 °C | 98.04 mm |
| May | 7.6 °C | 19.7 °C | 103.12 mm |
| June | 12.1 °C | 23.7 °C | 113.79 mm |
| July | 14.2 °C | 25.9 °C | 104.9 mm |
| August | 13.4 °C | 25.2 °C | 103.38 mm |
| September | 9.7 °C | 21.4 °C | 109.47 mm |
| October | 4.4 °C | 14.8 °C | 99.31 mm |
| November | -0.7 °C | 8.4 °C | 77.72 mm |
| December | -5.3 °C | 2.1 °C | 86.61 mm |
| Annual | 3.1 °C | 13.5 °C | 1129.26 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 11 - May 20 |
| 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 |