Kimball, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.2 °C (low) to 21.5 °C (high). Annual precipitation averages 1514.6 Millimeters. Kimball is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -1.3 °C | 9.6 °C | 140.97 mm |
| February | 0.4 °C | 12.2 °C | 142.24 mm |
| March | 3.9 °C | 16.9 °C | 141.73 mm |
| April | 8.4 °C | 22.1 °C | 134.11 mm |
| May | 13.6 °C | 26 °C | 116.59 mm |
| June | 17.9 °C | 29.6 °C | 118.62 mm |
| July | 19.9 °C | 31.4 °C | 130.81 mm |
| August | 19.4 °C | 31.1 °C | 95.76 mm |
| September | 15.9 °C | 28.3 °C | 111.25 mm |
| October | 9.1 °C | 22.6 °C | 91.19 mm |
| November | 3.1 °C | 16.2 °C | 127.51 mm |
| December | 0.3 °C | 11.4 °C | 163.83 mm |
| Annual | 9.2 °C | 21.5 °C | 1514.61 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |