Friendship, Ohio has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 42.7 °F (low) to 66.3 °F (high). Annual precipitation averages 43.7 Inches. Friendship 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 | 22.9 °F | 41.9 °F | 3.37 in. |
| February | 24.6 °F | 45.8 °F | 3.09 in. |
| March | 30.9 °F | 55.4 °F | 4.09 in. |
| April | 40.6 °F | 68.0 °F | 4.03 in. |
| May | 50.9 °F | 76.2 °F | 4.53 in. |
| June | 59.8 °F | 83.5 °F | 4.31 in. |
| July | 63.6 °F | 86.5 °F | 4.54 in. |
| August | 62.1 °F | 86.2 °F | 3.27 in. |
| September | 54.8 °F | 80.4 °F | 3.31 in. |
| October | 42.7 °F | 69.4 °F | 2.97 in. |
| November | 32.2 °F | 56.3 °F | 2.71 in. |
| December | 27.1 °F | 45.8 °F | 3.47 in. |
| Annual | 42.7 °F | 66.3 °F | 43.69 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 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |