Coal Center, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 41.9 °F (low) to 63.1 °F (high). Annual precipitation averages 42.8 Inches. Coal Center 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 | 21.7 °F | 38.7 °F | 3.11 in. |
| February | 22.7 °F | 41.3 °F | 2.8 in. |
| March | 29.7 °F | 50.8 °F | 3.58 in. |
| April | 39.2 °F | 64.0 °F | 3.53 in. |
| May | 49.6 °F | 73.1 °F | 4.29 in. |
| June | 58.5 °F | 80.8 °F | 4.46 in. |
| July | 62.8 °F | 84.7 °F | 4.3 in. |
| August | 61.5 °F | 83.9 °F | 3.67 in. |
| September | 54.4 °F | 77.8 °F | 3.52 in. |
| October | 43.0 °F | 65.7 °F | 3.03 in. |
| November | 33.4 °F | 53.5 °F | 3.24 in. |
| December | 26.8 °F | 43.0 °F | 3.27 in. |
| Annual | 41.9 °F | 63.1 °F | 42.8 in. |
| 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 : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |