Louisville, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 52.1 °F (low) to 74.2 °F (high). Annual precipitation averages 57.6 Inches. Louisville 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 Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 33.7 °F | 54.6 °F | 4.87 in. |
| February | 36.6 °F | 59.1 °F | 5.58 in. |
| March | 43.3 °F | 67.4 °F | 5.57 in. |
| April | 50.8 °F | 74.9 °F | 5.57 in. |
| May | 59.7 °F | 81.9 °F | 4.61 in. |
| June | 67.3 °F | 88.4 °F | 4.25 in. |
| July | 70.3 °F | 90.9 °F | 4.96 in. |
| August | 69.5 °F | 90.3 °F | 4.62 in. |
| September | 63.5 °F | 85.8 °F | 4.02 in. |
| October | 52.3 °F | 75.9 °F | 3.74 in. |
| November | 41.6 °F | 64.9 °F | 4.24 in. |
| December | 36.2 °F | 56.6 °F | 5.6 in. |
| Annual | 52.1 °F | 74.2 °F | 57.63 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| 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 8a : 10°F to 15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |