Port Matilda, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 38.8 °F (low) to 59.7 °F (high). Annual precipitation averages 43.3 Inches. Port Matilda is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 18.2 °F | 34.8 °F | 3.01 in. |
| February | 19.1 °F | 37.8 °F | 2.57 in. |
| March | 26.1 °F | 46.7 °F | 3.44 in. |
| April | 36.5 °F | 60.2 °F | 3.68 in. |
| May | 46.8 °F | 70.5 °F | 4.09 in. |
| June | 55.9 °F | 78.3 °F | 4.18 in. |
| July | 60.0 °F | 82.5 °F | 3.87 in. |
| August | 58.3 °F | 80.8 °F | 3.94 in. |
| September | 50.9 °F | 74.0 °F | 4.37 in. |
| October | 39.9 °F | 62.0 °F | 3.84 in. |
| November | 30.7 °F | 50.1 °F | 3.08 in. |
| December | 23.7 °F | 39.2 °F | 3.27 in. |
| Annual | 38.8 °F | 59.7 °F | 43.34 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |