Starrucca, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 35.2 °F (low) to 55.7 °F (high). Annual precipitation averages 47.2 Inches. Starrucca is located in USDA Plant Hardiness Zone 5b. 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 | 12.9 °F | 30.6 °F | 3.11 in. |
| February | 13.8 °F | 33.3 °F | 2.67 in. |
| March | 20.9 °F | 41.3 °F | 3.26 in. |
| April | 32.1 °F | 54.9 °F | 3.77 in. |
| May | 43.1 °F | 66.6 °F | 4.47 in. |
| June | 52.3 °F | 74.6 °F | 5.21 in. |
| July | 56.8 °F | 79.0 °F | 4.82 in. |
| August | 55.5 °F | 77.4 °F | 4.06 in. |
| September | 48.4 °F | 70.7 °F | 4.57 in. |
| October | 37.6 °F | 58.4 °F | 4.49 in. |
| November | 28.3 °F | 46.2 °F | 3.4 in. |
| December | 20.2 °F | 35.4 °F | 3.37 in. |
| Annual | 35.2 °F | 55.7 °F | 47.2 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |