Centre Hall, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 3.8 °C (low) to 14.7 °C (high). Annual precipitation averages 1111.5 Millimeters. Centre Hall 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 | -7.8 °C | 0.9 °C | 76.96 mm |
| February | -7.3 °C | 2.5 °C | 61.21 mm |
| March | -3.4 °C | 7.4 °C | 87.12 mm |
| April | 2.6 °C | 14.9 °C | 91.19 mm |
| May | 8.5 °C | 20.8 °C | 109.73 mm |
| June | 13.2 °C | 25 °C | 100.33 mm |
| July | 15.4 °C | 27.4 °C | 106.43 mm |
| August | 14.4 °C | 26.4 °C | 108.46 mm |
| September | 10.4 °C | 22.6 °C | 110.49 mm |
| October | 4.6 °C | 15.9 °C | 99.31 mm |
| November | -0.6 °C | 9.5 °C | 77.47 mm |
| December | -4.7 °C | 3.3 °C | 82.8 mm |
| Annual | 3.8 °C | 14.7 °C | 1111.5 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| 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 |