Columbia, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 46.6 °F (low) to 70.2 °F (high). Annual precipitation averages 56.4 Inches. Columbia 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 | 27.8 °F | 47.9 °F | 4.57 in. |
| February | 30.1 °F | 52.8 °F | 4.93 in. |
| March | 37.0 °F | 61.2 °F | 5.36 in. |
| April | 45.0 °F | 71.1 °F | 5.19 in. |
| May | 54.9 °F | 78.9 °F | 5.45 in. |
| June | 63.1 °F | 86.0 °F | 4.84 in. |
| July | 67.3 °F | 89.0 °F | 4.84 in. |
| August | 65.8 °F | 88.6 °F | 3.76 in. |
| September | 57.7 °F | 83.0 °F | 4.28 in. |
| October | 45.4 °F | 72.2 °F | 3.64 in. |
| November | 35.4 °F | 60.5 °F | 3.9 in. |
| December | 29.9 °F | 50.8 °F | 5.6 in. |
| Annual | 46.6 °F | 70.2 °F | 56.36 in. |
| 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 : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |