Mapletown, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 41.9 °F (low) to 63.2 °F (high). Annual precipitation averages 43.5 Inches. Mapletown 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 21.6 °F | 38.8 °F | 3.2 in. |
| February | 23.1 °F | 41.9 °F | 2.87 in. |
| March | 29.6 °F | 51.2 °F | 3.48 in. |
| April | 39.4 °F | 64.5 °F | 3.81 in. |
| May | 49.8 °F | 73.7 °F | 4.18 in. |
| June | 58.5 °F | 81.0 °F | 4.32 in. |
| July | 62.8 °F | 84.5 °F | 4.61 in. |
| August | 61.4 °F | 83.6 °F | 3.73 in. |
| September | 54.4 °F | 77.5 °F | 3.61 in. |
| October | 42.9 °F | 65.3 °F | 3.16 in. |
| November | 33.2 °F | 53.1 °F | 3.18 in. |
| December | 26.6 °F | 42.7 °F | 3.35 in. |
| Annual | 41.9 °F | 63.2 °F | 43.5 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| 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 | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |