| 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 Zone 7b: 5°F to 10°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: | 65i - Fall Line Hills |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 39746 - Hamilton, MS | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 31 | 33 | 41 | 48 | 57 | 65 | 69 | 68 | 62 | 49 | 40 | 33 | 50 |
| Avg Max Temp (°F) | 52 | 57 | 66 | 74 | 81 | 88 | 91 | 91 | 85 | 75 | 64 | 55 | 73 |
| Avg Precip (In.) | 5.76 | 4.88 | 6.26 | 5.41 | 5.22 | 4.32 | 4.32 | 3.17 | 3.78 | 3.55 | 5 | 5.49 | 57.16 |