Hartleton, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 40.1 °F (low) to 61.8 °F (high). Annual precipitation averages 45.2 Inches. Hartleton 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 | 35.9 °F | 3.24 in. |
| February | 20.3 °F | 39.3 °F | 2.39 in. |
| March | 27.4 °F | 48.7 °F | 3.38 in. |
| April | 37.6 °F | 62.6 °F | 3.9 in. |
| May | 47.9 °F | 73.1 °F | 4.15 in. |
| June | 57.2 °F | 81.0 °F | 4.23 in. |
| July | 61.3 °F | 85.3 °F | 4.09 in. |
| August | 59.8 °F | 83.4 °F | 4.26 in. |
| September | 52.7 °F | 76.2 °F | 4.86 in. |
| October | 41.5 °F | 64.1 °F | 4.1 in. |
| November | 31.7 °F | 51.7 °F | 3.2 in. |
| December | 24.6 °F | 40.3 °F | 3.39 in. |
| Annual | 40.1 °F | 61.8 °F | 45.19 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 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 | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |