| 2023 Hardiness Zone: | 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. 11 - Nov. 20 |
| Average Last Frost Date: | Mar. 21 - Mar. 31 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 73a - Northern Holocene Meander Belts |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 38646 - Marks, MS | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 31 | 34 | 42 | 50 | 60 | 68 | 71 | 69 | 62 | 50 | 41 | 34 | 51 |
| Avg Max Temp (°F) | 49 | 55 | 64 | 73 | 81 | 89 | 92 | 91 | 85 | 76 | 63 | 53 | 73 |
| Avg Precip (In.) | 4.98 | 4.51 | 5.64 | 5.08 | 5.71 | 4.97 | 3.85 | 2.95 | 3.14 | 3.22 | 5.26 | 5.5 | 54.81 |