Hickory, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 40.4 °F (low) to 61.1 °F (high). Annual precipitation averages 42.2 Inches. Hickory 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 | 19.7 °F | 36.5 °F | 3.29 in. |
| February | 21.1 °F | 39.3 °F | 2.55 in. |
| March | 28.2 °F | 48.8 °F | 3.32 in. |
| April | 38.5 °F | 61.8 °F | 3.54 in. |
| May | 48.4 °F | 71.2 °F | 4.17 in. |
| June | 57.4 °F | 78.9 °F | 4.45 in. |
| July | 61.0 °F | 83.0 °F | 4.29 in. |
| August | 59.4 °F | 81.8 °F | 3.57 in. |
| September | 52.6 °F | 75.5 °F | 3.65 in. |
| October | 41.2 °F | 63.4 °F | 3.14 in. |
| November | 32.3 °F | 51.5 °F | 3.04 in. |
| December | 24.9 °F | 41.0 °F | 3.19 in. |
| Annual | 40.4 °F | 61.1 °F | 42.2 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 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |