Windber, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 3.7 °C (low) to 14.5 °C (high). Annual precipitation averages 1160.8 Millimeters. Windber is located in USDA Plant Hardiness Zone 6a. 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 | -7.7 °C | 1.1 °C | 84.07 mm |
| February | -7 °C | 2.6 °C | 77.98 mm |
| March | -3.4 °C | 7.3 °C | 98.55 mm |
| April | 2.6 °C | 14.8 °C | 93.47 mm |
| May | 8.2 °C | 20.2 °C | 109.47 mm |
| June | 12.9 °C | 24.4 °C | 117.09 mm |
| July | 15.1 °C | 26.6 °C | 112.27 mm |
| August | 14.3 °C | 25.8 °C | 110.24 mm |
| September | 10.5 °C | 22.3 °C | 100.58 mm |
| October | 4.7 °C | 15.8 °C | 88.9 mm |
| November | -0.8 °C | 9.2 °C | 84.58 mm |
| December | -4.7 °C | 3.4 °C | 83.57 mm |
| Annual | 3.7 °C | 14.5 °C | 1160.77 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |