| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°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 | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 39301 - Meridian, MS | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 35 | 38 | 45 | 51 | 60 | 67 | 70 | 69 | 64 | 51 | 43 | 37 | 52 |
| Avg Max Temp (°F) | 57 | 62 | 70 | 77 | 83 | 89 | 92 | 92 | 87 | 78 | 68 | 60 | 76 |
| Avg Precip (In.) | 5.87 | 5.21 | 6.84 | 5.54 | 4.63 | 4.01 | 5.21 | 3.52 | 3.56 | 3.24 | 4.82 | 5.28 | 57.73 |