Landisburg, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 42.8 °F (low) to 62.3 °F (high). Annual precipitation averages 44.3 Inches. Landisburg 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 | 21.8 °F | 37.7 °F | 3.17 in. |
| February | 23.2 °F | 40.8 °F | 2.44 in. |
| March | 30.4 °F | 49.7 °F | 3.62 in. |
| April | 40.5 °F | 62.2 °F | 3.71 in. |
| May | 50.7 °F | 71.9 °F | 4.24 in. |
| June | 59.8 °F | 80.7 °F | 4.11 in. |
| July | 64.3 °F | 85.5 °F | 4.22 in. |
| August | 62.7 °F | 83.3 °F | 3.94 in. |
| September | 55.3 °F | 76.4 °F | 4.5 in. |
| October | 43.9 °F | 64.5 °F | 3.95 in. |
| November | 34.2 °F | 53.1 °F | 3.01 in. |
| December | 26.7 °F | 42.0 °F | 3.42 in. |
| Annual | 42.8 °F | 62.3 °F | 44.33 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 | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |