Tamaqua, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 3.6 °C (low) to 15.7 °C (high). Annual precipitation averages 1390.9 Millimeters. Tamaqua 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.2 °C | 1.9 °C | 99.31 mm |
| February | -7.6 °C | 3.6 °C | 80.77 mm |
| March | -3.3 °C | 8.1 °C | 109.98 mm |
| April | 2.5 °C | 15.7 °C | 113.79 mm |
| May | 7.9 °C | 21.4 °C | 111.25 mm |
| June | 12.9 °C | 25.8 °C | 142.49 mm |
| July | 15.4 °C | 28.3 °C | 122.43 mm |
| August | 14.4 °C | 27.4 °C | 126.49 mm |
| September | 10.4 °C | 23.7 °C | 136.91 mm |
| October | 4.2 °C | 17.2 °C | 124.71 mm |
| November | -0.9 °C | 10.4 °C | 107.7 mm |
| December | -4.9 °C | 4.5 °C | 115.06 mm |
| Annual | 3.6 °C | 15.7 °C | 1390.89 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 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 |