Cleveland, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.8 °C (low) to 21.3 °C (high). Annual precipitation averages 1455.4 Millimeters. Cleveland is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -1.7 °C | 9.4 °C | 128.52 mm |
| February | -0.2 °C | 11.9 °C | 120.4 mm |
| March | 3.3 °C | 16.6 °C | 139.7 mm |
| April | 7.8 °C | 21.8 °C | 125.73 mm |
| May | 13.1 °C | 26 °C | 115.06 mm |
| June | 17.7 °C | 29.7 °C | 124.46 mm |
| July | 19.8 °C | 31.3 °C | 139.7 mm |
| August | 19.1 °C | 31.1 °C | 98.04 mm |
| September | 15.5 °C | 28.3 °C | 121.92 mm |
| October | 8.6 °C | 22.5 °C | 82.55 mm |
| November | 2.4 °C | 16.1 °C | 117.35 mm |
| December | -0.1 °C | 11.1 °C | 141.99 mm |
| Annual | 8.8 °C | 21.3 °C | 1455.42 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |