Ligonier, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 40 °F (low) to 61.1 °F (high). Annual precipitation averages 48.9 Inches. Ligonier is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 19.7 °F | 36.9 °F | 3.73 in. |
| February | 20.7 °F | 39.8 °F | 3.17 in. |
| March | 27.8 °F | 48.7 °F | 3.99 in. |
| April | 38.0 °F | 61.7 °F | 4.26 in. |
| May | 48.2 °F | 71.5 °F | 4.69 in. |
| June | 56.8 °F | 78.9 °F | 5.06 in. |
| July | 60.7 °F | 82.5 °F | 4.9 in. |
| August | 59.0 °F | 81.6 °F | 4.12 in. |
| September | 52.0 °F | 75.2 °F | 4.07 in. |
| October | 40.5 °F | 63.4 °F | 3.51 in. |
| November | 31.7 °F | 51.6 °F | 3.63 in. |
| December | 25.1 °F | 41.3 °F | 3.75 in. |
| Annual | 40 °F | 61.1 °F | 48.88 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°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 |