Columbia, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 55.3 °F (low) to 78 °F (high). Annual precipitation averages 62.4 Inches. Columbia is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 38.0 °F | 60.5 °F | 6.49 in. |
| February | 41.3 °F | 64.8 °F | 5.28 in. |
| March | 47.8 °F | 71.7 °F | 5.73 in. |
| April | 54.4 °F | 78.0 °F | 5.44 in. |
| May | 62.7 °F | 84.9 °F | 4.34 in. |
| June | 69.5 °F | 90.4 °F | 5.75 in. |
| July | 72.1 °F | 92.1 °F | 5.83 in. |
| August | 71.5 °F | 92.1 °F | 6.19 in. |
| September | 67.0 °F | 88.5 °F | 3.92 in. |
| October | 54.9 °F | 80.2 °F | 3.88 in. |
| November | 44.4 °F | 69.7 °F | 3.97 in. |
| December | 39.7 °F | 62.5 °F | 5.57 in. |
| Annual | 55.3 °F | 78 °F | 62.39 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |