Maria Stein, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 41.5 °F (low) to 60.5 °F (high). Annual precipitation averages 40.4 Inches. Maria Stein 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 | 18.6 °F | 33.4 °F | 2.76 in. |
| February | 20.9 °F | 37.2 °F | 2.26 in. |
| March | 29.2 °F | 47.6 °F | 3.01 in. |
| April | 39.6 °F | 61.1 °F | 3.97 in. |
| May | 50.9 °F | 71.7 °F | 4.29 in. |
| June | 60.4 °F | 80.2 °F | 4.52 in. |
| July | 63.2 °F | 83.3 °F | 4.46 in. |
| August | 61.1 °F | 81.9 °F | 3.49 in. |
| September | 53.7 °F | 76.8 °F | 3.05 in. |
| October | 42.9 °F | 64.2 °F | 2.8 in. |
| November | 32.7 °F | 49.9 °F | 3.04 in. |
| December | 24.5 °F | 38.4 °F | 2.74 in. |
| Annual | 41.5 °F | 60.5 °F | 40.39 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 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 |