Huntingdon, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 40.1 °F (low) to 62.3 °F (high). Annual precipitation averages 40.7 Inches. Huntingdon is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 19.8 °F | 37.3 °F | 2.8 in. |
| February | 20.9 °F | 40.6 °F | 2.26 in. |
| March | 27.5 °F | 49.2 °F | 3.24 in. |
| April | 37.3 °F | 62.7 °F | 3.55 in. |
| May | 47.7 °F | 72.9 °F | 4.08 in. |
| June | 57.0 °F | 80.9 °F | 3.87 in. |
| July | 61.1 °F | 85.3 °F | 3.86 in. |
| August | 59.6 °F | 83.7 °F | 3.66 in. |
| September | 52.4 °F | 76.7 °F | 3.83 in. |
| October | 40.9 °F | 64.7 °F | 3.49 in. |
| November | 31.7 °F | 52.7 °F | 3.01 in. |
| December | 24.9 °F | 41.4 °F | 3.05 in. |
| Annual | 40.1 °F | 62.3 °F | 40.7 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |