Lehighton, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 39.8 °F (low) to 60.9 °F (high). Annual precipitation averages 51.9 Inches. Lehighton is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 18.9 °F | 36.4 °F | 3.73 in. |
| February | 20.0 °F | 39.3 °F | 2.92 in. |
| March | 27.3 °F | 47.5 °F | 3.87 in. |
| April | 37.6 °F | 60.9 °F | 4.05 in. |
| May | 47.7 °F | 71.4 °F | 4.25 in. |
| June | 56.6 °F | 79.2 °F | 5.17 in. |
| July | 61.5 °F | 83.7 °F | 4.96 in. |
| August | 59.6 °F | 82.0 °F | 4.72 in. |
| September | 52.3 °F | 75.2 °F | 5.39 in. |
| October | 40.6 °F | 63.3 °F | 4.83 in. |
| November | 31.3 °F | 51.5 °F | 3.67 in. |
| December | 24.2 °F | 40.9 °F | 4.37 in. |
| Annual | 39.8 °F | 60.9 °F | 51.93 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| 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 |