Mansfield, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 36.1 °F (low) to 58 °F (high). Annual precipitation averages 37.1 Inches. Mansfield is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 14.5 °F | 32.5 °F | 2.27 in. |
| February | 15.4 °F | 35.2 °F | 1.79 in. |
| March | 22.2 °F | 43.6 °F | 2.77 in. |
| April | 32.7 °F | 57.2 °F | 3.25 in. |
| May | 43.8 °F | 69.5 °F | 3.26 in. |
| June | 53.0 °F | 77.5 °F | 3.77 in. |
| July | 57.2 °F | 81.5 °F | 3.75 in. |
| August | 56.0 °F | 80.2 °F | 3.48 in. |
| September | 49.0 °F | 72.9 °F | 3.98 in. |
| October | 38.3 °F | 60.5 °F | 3.53 in. |
| November | 29.1 °F | 47.6 °F | 2.7 in. |
| December | 21.5 °F | 37.2 °F | 2.59 in. |
| Annual | 36.1 °F | 58 °F | 37.14 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |