Matamoras, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 3.6 °C (low) to 15.9 °C (high). Annual precipitation averages 1161 Millimeters. Matamoras is located in USDA Plant Hardiness Zone 6b. 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 | -8.6 °C | 1.9 °C | 82.04 mm |
| February | -7.7 °C | 3.8 °C | 61.47 mm |
| March | -3.7 °C | 8.4 °C | 96.01 mm |
| April | 2.2 °C | 15.9 °C | 95 mm |
| May | 7.9 °C | 21.8 °C | 88.39 mm |
| June | 13.2 °C | 26.2 °C | 123.19 mm |
| July | 15.7 °C | 28.8 °C | 104.39 mm |
| August | 14.9 °C | 27.7 °C | 108.2 mm |
| September | 10.9 °C | 24 °C | 113.79 mm |
| October | 4.5 °C | 17.3 °C | 107.95 mm |
| November | -1.1 °C | 10.7 °C | 81.28 mm |
| December | -5.2 °C | 4.6 °C | 99.31 mm |
| Annual | 3.6 °C | 15.9 °C | 1161.02 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 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |