Gibsonia, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.3 °C (low) to 16.5 °C (high). Annual precipitation averages 1070.4 Millimeters. Gibsonia 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.2 °C | 2.6 °C | 88.9 mm |
| February | -5.6 °C | 4.3 °C | 69.09 mm |
| March | -1.8 °C | 9.4 °C | 77.47 mm |
| April | 4 °C | 17.1 °C | 92.46 mm |
| May | 9.8 °C | 22.4 °C | 100.84 mm |
| June | 14.7 °C | 26.7 °C | 107.19 mm |
| July | 16.9 °C | 28.6 °C | 105.66 mm |
| August | 16.1 °C | 28.1 °C | 86.36 mm |
| September | 12.3 °C | 24.6 °C | 97.28 mm |
| October | 6.1 °C | 17.8 °C | 81.53 mm |
| November | 0.9 °C | 11 °C | 78.23 mm |
| December | -3.2 °C | 5.1 °C | 85.34 mm |
| Annual | 5.3 °C | 16.5 °C | 1070.35 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| 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 | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |