Mansfield, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 40.1 °F (low) to 59.4 °F (high). Annual precipitation averages 41.5 Inches. Mansfield is located in USDA Plant Hardiness Zone 6a. 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 | 17.8 °F | 33.4 °F | 3.15 in. |
| February | 19.3 °F | 36.2 °F | 2.27 in. |
| March | 27.3 °F | 46.0 °F | 2.97 in. |
| April | 38.2 °F | 59.7 °F | 3.92 in. |
| May | 49.3 °F | 70.6 °F | 4.31 in. |
| June | 58.3 °F | 78.9 °F | 4.88 in. |
| July | 61.5 °F | 82.4 °F | 4.14 in. |
| August | 59.7 °F | 80.8 °F | 3.66 in. |
| September | 52.9 °F | 75.0 °F | 3.28 in. |
| October | 41.6 °F | 62.5 °F | 3.0 in. |
| November | 31.9 °F | 49.1 °F | 2.96 in. |
| December | 23.8 °F | 38.1 °F | 2.92 in. |
| Annual | 40.1 °F | 59.4 °F | 41.46 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |