Pleasant Hill, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.7 °C (low) to 16.5 °C (high). Annual precipitation averages 1035.3 Millimeters. Pleasant Hill is located in USDA Plant Hardiness Zone 6a. 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 | -6.8 °C | 1.8 °C | 74.17 mm |
| February | -5.6 °C | 3.9 °C | 57.4 mm |
| March | -1 °C | 9.7 °C | 80.77 mm |
| April | 4.8 °C | 16.9 °C | 101.85 mm |
| May | 11.1 °C | 22.6 °C | 112.27 mm |
| June | 16.1 °C | 27.3 °C | 112.78 mm |
| July | 17.8 °C | 29 °C | 111.25 mm |
| August | 16.7 °C | 28.4 °C | 83.06 mm |
| September | 12.6 °C | 25.3 °C | 77.22 mm |
| October | 6.2 °C | 18.4 °C | 71.37 mm |
| November | 0.6 °C | 10.7 °C | 77.47 mm |
| December | -3.7 °C | 4.4 °C | 75.69 mm |
| Annual | 5.7 °C | 16.5 °C | 1035.3 mm |
| 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 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |