Browntown, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.4 °C (low) to 15.6 °C (high). Annual precipitation averages 1081.8 Millimeters. Browntown 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 | -7.6 °C | 1.4 °C | 70.1 mm |
| February | -7.1 °C | 3.1 °C | 59.94 mm |
| March | -2.8 °C | 7.8 °C | 72.64 mm |
| April | 3 °C | 15.4 °C | 92.46 mm |
| May | 8.9 °C | 21.7 °C | 85.6 mm |
| June | 13.8 °C | 26.2 °C | 115.57 mm |
| July | 16.3 °C | 28.8 °C | 113.03 mm |
| August | 15.3 °C | 27.7 °C | 102.87 mm |
| September | 11.4 °C | 23.8 °C | 107.7 mm |
| October | 5.3 °C | 16.9 °C | 107.44 mm |
| November | 0.1 °C | 10.4 °C | 74.17 mm |
| December | -4.2 °C | 4.4 °C | 80.26 mm |
| Annual | 4.4 °C | 15.6 °C | 1081.78 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 | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |