New Tripoli, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.6 °C (low) to 16.2 °C (high). Annual precipitation averages 1309.9 Millimeters. New Tripoli 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 | -7.1 °C | 2.6 °C | 91.95 mm |
| February | -6.4 °C | 4.2 °C | 73.41 mm |
| March | -2.3 °C | 8.8 °C | 97.03 mm |
| April | 3.4 °C | 16.2 °C | 106.93 mm |
| May | 9 °C | 21.9 °C | 108.46 mm |
| June | 14 °C | 26.3 °C | 137.92 mm |
| July | 16.6 °C | 28.9 °C | 129.29 mm |
| August | 15.7 °C | 27.9 °C | 119.63 mm |
| September | 11.5 °C | 24.2 °C | 131.32 mm |
| October | 5 °C | 17.6 °C | 118.11 mm |
| November | -0.2 °C | 11 °C | 91.69 mm |
| December | -4.2 °C | 5.1 °C | 104.14 mm |
| Annual | 4.6 °C | 16.2 °C | 1309.88 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 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |