Green, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 41.2 °F (low) to 59.4 °F (high). Annual precipitation averages 40.2 Inches. Green 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 19.3 °F | 33.5 °F | 2.92 in. |
| February | 20.4 °F | 36.4 °F | 2.25 in. |
| March | 28.2 °F | 45.9 °F | 3.15 in. |
| April | 39.2 °F | 59.6 °F | 3.64 in. |
| May | 49.7 °F | 70.1 °F | 3.95 in. |
| June | 58.9 °F | 78.7 °F | 4.33 in. |
| July | 62.6 °F | 82.5 °F | 4.01 in. |
| August | 60.9 °F | 81.1 °F | 3.6 in. |
| September | 53.9 °F | 74.6 °F | 3.39 in. |
| October | 43.1 °F | 62.2 °F | 3.2 in. |
| November | 33.3 °F | 49.3 °F | 2.93 in. |
| December | 25.2 °F | 38.3 °F | 2.85 in. |
| Annual | 41.2 °F | 59.4 °F | 40.22 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| 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 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |