Louise, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.4 °C (low) to 23.8 °C (high). Annual precipitation averages 1459 Millimeters. Louise is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 2.1 °C | 12.2 °C | 141.48 mm |
| February | 3.8 °C | 14.8 °C | 133.86 mm |
| March | 7.8 °C | 19.4 °C | 139.19 mm |
| April | 12.3 °C | 24.1 °C | 159.51 mm |
| May | 17.3 °C | 28.3 °C | 124.71 mm |
| June | 21.1 °C | 31.8 °C | 99.31 mm |
| July | 22.5 °C | 33.1 °C | 106.68 mm |
| August | 21.8 °C | 33.2 °C | 96.27 mm |
| September | 18.3 °C | 30.8 °C | 90.17 mm |
| October | 12 °C | 25.3 °C | 105.41 mm |
| November | 6.4 °C | 18.7 °C | 117.35 mm |
| December | 3.3 °C | 13.7 °C | 145.03 mm |
| Annual | 12.4 °C | 23.8 °C | 1458.97 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |