Pleasant Hills, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 45 °F (low) to 65.1 °F (high). Annual precipitation averages 43.4 Inches. Pleasant Hills is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 23.6 °F | 39.7 °F | 3.25 in. |
| February | 25.1 °F | 43.8 °F | 2.75 in. |
| March | 33.8 °F | 53.8 °F | 3.77 in. |
| April | 43.9 °F | 66.4 °F | 4.57 in. |
| May | 53.9 °F | 75.3 °F | 4.83 in. |
| June | 62.9 °F | 83.5 °F | 4.34 in. |
| July | 66.0 °F | 86.5 °F | 3.83 in. |
| August | 64.4 °F | 86.2 °F | 3.26 in. |
| September | 56.8 °F | 79.8 °F | 2.89 in. |
| October | 45.5 °F | 67.9 °F | 3.19 in. |
| November | 35.2 °F | 54.3 °F | 3.32 in. |
| December | 28.3 °F | 43.7 °F | 3.4 in. |
| Annual | 45 °F | 65.1 °F | 43.4 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| 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 |