Gouldsboro, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 36.8 °F (low) to 55.9 °F (high). Annual precipitation averages 51.3 Inches. Gouldsboro 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 | 15.6 °F | 31.9 °F | 3.8 in. |
| February | 16.4 °F | 34.1 °F | 3.01 in. |
| March | 23.6 °F | 42.3 °F | 3.93 in. |
| April | 33.9 °F | 56.0 °F | 4.22 in. |
| May | 44.2 °F | 66.4 °F | 4.32 in. |
| June | 53.3 °F | 74.8 °F | 5.03 in. |
| July | 57.8 °F | 78.4 °F | 4.9 in. |
| August | 56.8 °F | 77.1 °F | 4.02 in. |
| September | 49.5 °F | 70.5 °F | 5.34 in. |
| October | 38.8 °F | 57.3 °F | 5.12 in. |
| November | 29.8 °F | 46.6 °F | 3.67 in. |
| December | 21.6 °F | 35.8 °F | 3.96 in. |
| Annual | 36.8 °F | 55.9 °F | 51.32 in. |
| 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 : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |