Rendville, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.6 °C (low) to 17.1 °C (high). Annual precipitation averages 1089.4 Millimeters. Rendville 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 | -7.1 °C | 3.3 °C | 83.57 mm |
| February | -6.2 °C | 5.1 °C | 68.07 mm |
| March | -2.1 °C | 10.6 °C | 92.2 mm |
| April | 3.5 °C | 18 °C | 98.55 mm |
| May | 9.3 °C | 22.8 °C | 107.7 mm |
| June | 14.3 °C | 27.1 °C | 118.11 mm |
| July | 16.6 °C | 28.9 °C | 111.25 mm |
| August | 15.6 °C | 28.5 °C | 87.12 mm |
| September | 11.2 °C | 24.8 °C | 90.17 mm |
| October | 4.7 °C | 18.4 °C | 75.95 mm |
| November | -0.6 °C | 11.8 °C | 76.45 mm |
| December | -4.1 °C | 5.8 °C | 80.26 mm |
| Annual | 4.6 °C | 17.1 °C | 1089.4 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |