Kimball, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 48.6 °F (low) to 70.6 °F (high). Annual precipitation averages 59.6 Inches. 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 | 29.7 °F | 49.3 °F | 5.55 in. |
| February | 32.8 °F | 53.9 °F | 5.6 in. |
| March | 39.1 °F | 62.4 °F | 5.58 in. |
| April | 47.1 °F | 71.8 °F | 5.28 in. |
| May | 56.4 °F | 78.8 °F | 4.59 in. |
| June | 64.2 °F | 85.3 °F | 4.67 in. |
| July | 67.9 °F | 88.5 °F | 5.15 in. |
| August | 66.9 °F | 87.9 °F | 3.77 in. |
| September | 60.6 °F | 82.9 °F | 4.38 in. |
| October | 48.3 °F | 72.6 °F | 3.59 in. |
| November | 37.6 °F | 61.2 °F | 5.02 in. |
| December | 32.6 °F | 52.5 °F | 6.45 in. |
| Annual | 48.6 °F | 70.6 °F | 59.63 in. |
| 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 : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |