Strattanville, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 3.1 °C (low) to 14.4 °C (high). Annual precipitation averages 1193.3 Millimeters. Strattanville 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. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.3 °C | 0.4 °C | 91.44 mm |
| February | -7.9 °C | 2 °C | 66.55 mm |
| March | -4.2 °C | 7.1 °C | 87.63 mm |
| April | 1.7 °C | 14.7 °C | 102.62 mm |
| May | 7.4 °C | 20.7 °C | 100.58 mm |
| June | 12.1 °C | 24.8 °C | 128.52 mm |
| July | 14.3 °C | 26.8 °C | 127.76 mm |
| August | 13.6 °C | 26.3 °C | 105.66 mm |
| September | 9.9 °C | 22.4 °C | 105.16 mm |
| October | 4.2 °C | 15.8 °C | 90.17 mm |
| November | -1.1 °C | 8.9 °C | 94.74 mm |
| December | -5 °C | 2.8 °C | 92.46 mm |
| Annual | 3.1 °C | 14.4 °C | 1193.29 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 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 |