Bellevue, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5 °C (low) to 15.4 °C (high). Annual precipitation averages 1027.4 Millimeters. Bellevue 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 Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.4 °C | 0.8 °C | 67.56 mm |
| February | -6.7 °C | 2.3 °C | 56.13 mm |
| March | -2.2 °C | 7.7 °C | 71.37 mm |
| April | 3.5 °C | 15.2 °C | 100.84 mm |
| May | 9.9 °C | 21.5 °C | 103.12 mm |
| June | 15.3 °C | 26.5 °C | 108.46 mm |
| July | 17.2 °C | 28.6 °C | 106.93 mm |
| August | 16.1 °C | 27.6 °C | 90.68 mm |
| September | 12.1 °C | 24.3 °C | 95.5 mm |
| October | 6 °C | 17.4 °C | 78.99 mm |
| November | 0.6 °C | 9.8 °C | 72.64 mm |
| December | -4.1 °C | 3.6 °C | 75.18 mm |
| Annual | 5 °C | 15.4 °C | 1027.4 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| 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 |