Klingerstown, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 41 °F (low) to 61.2 °F (high). Annual precipitation averages 46.6 Inches. Klingerstown 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 | 36.0 °F | 2.81 in. |
| February | 20.9 °F | 38.9 °F | 2.6 in. |
| March | 28.5 °F | 48.1 °F | 3.69 in. |
| April | 38.6 °F | 61.3 °F | 3.99 in. |
| May | 49.0 °F | 71.4 °F | 4.07 in. |
| June | 58.4 °F | 79.8 °F | 4.51 in. |
| July | 62.4 °F | 84.2 °F | 4.52 in. |
| August | 60.7 °F | 82.5 °F | 4.26 in. |
| September | 53.4 °F | 75.9 °F | 4.93 in. |
| October | 42.2 °F | 63.7 °F | 4.29 in. |
| November | 32.5 °F | 51.8 °F | 3.34 in. |
| December | 25.3 °F | 40.7 °F | 3.61 in. |
| Annual | 41 °F | 61.2 °F | 46.62 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 | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |