Broad Top City, 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 14.5 °C (high). Annual precipitation averages 1166.9 Millimeters. Broad Top City is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.8 °C | 1 °C | 82.8 mm |
| February | -6.1 °C | 2.6 °C | 64.26 mm |
| March | -2.4 °C | 7.1 °C | 99.31 mm |
| April | 3.6 °C | 14.8 °C | 96.77 mm |
| May | 9.2 °C | 20.1 °C | 114.3 mm |
| June | 13.9 °C | 24.5 °C | 105.41 mm |
| July | 15.9 °C | 26.8 °C | 115.32 mm |
| August | 14.9 °C | 26.1 °C | 95.25 mm |
| September | 11.3 °C | 22.6 °C | 116.08 mm |
| October | 5.7 °C | 16.2 °C | 103.38 mm |
| November | 0.4 °C | 9.2 °C | 88.65 mm |
| December | -4 °C | 3.3 °C | 85.34 mm |
| Annual | 4.6 °C | 14.5 °C | 1166.87 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| 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 | Dfa - Humid Continental Hot Summers With Year Around Precipitation |