| 2023 Hardiness Zone: | 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: | 65b - Flatwoods/Blackland Prairie Margins |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 39740 - Caledonia, 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 | 58 | 66 | 74 | 81 | 88 | 92 | 91 | 86 | 76 | 65 | 56 | 74 |
| Avg Precip (In.) | 6.03 | 5 | 6.2 | 5.46 | 5.03 | 4.34 | 4.53 | 3.36 | 3.77 | 3.42 | 5.06 | 5.43 | 57.63 |