Coral, 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 16.4 °C (high). Annual precipitation averages 1181.9 Millimeters. Coral 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 | 2.7 °C | 100.33 mm |
| February | -6.1 °C | 4.4 °C | 71.12 mm |
| March | -2.2 °C | 9.4 °C | 91.44 mm |
| April | 3.2 °C | 16.8 °C | 100.08 mm |
| May | 9 °C | 22.3 °C | 108.46 mm |
| June | 13.8 °C | 26.5 °C | 119.63 mm |
| July | 16.1 °C | 28.5 °C | 123.95 mm |
| August | 15.2 °C | 27.9 °C | 105.16 mm |
| September | 11.5 °C | 24.3 °C | 101.09 mm |
| October | 5.1 °C | 17.9 °C | 85.34 mm |
| November | -0.1 °C | 11.1 °C | 89.92 mm |
| December | -3.7 °C | 5.1 °C | 85.34 mm |
| Annual | 4.6 °C | 16.4 °C | 1181.86 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 |