| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 8a: 10°F to 15°F |
| 2012 Hardiness Zone: | Zone 8a: 10°F to 15°F |
| 1990 Hardiness Zone: | Zone 7b: 5F to 10F |
| Average First Frost Date: | Nov. 1 - Nov. 10 |
| Average Last Frost Date: | Apr. 1 - Apr. 10 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 65d - Southern Hilly Gulf Coastal Plain |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 39339 - Louisville, MS | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 31 | 35 | 42 | 49 | 58 | 66 | 69 | 68 | 62 | 50 | 42 | 34 | 51 |
| Avg Max Temp (°F) | 53 | 58 | 66 | 74 | 80 | 87 | 90 | 90 | 84 | 75 | 65 | 56 | 73 |
| Avg Precip (In.) | 6.06 | 4.97 | 6.45 | 5.75 | 5.03 | 3.92 | 5.18 | 3.24 | 3.68 | 3.51 | 4.92 | 5.5 | 58.2 |