| 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: | 74b - Loess Plains |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 38901 - Grenada, MS | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 30 | 33 | 42 | 49 | 58 | 66 | 69 | 68 | 61 | 49 | 40 | 33 | 50 |
| Avg Max Temp (°F) | 52 | 57 | 66 | 74 | 81 | 88 | 91 | 91 | 86 | 76 | 64 | 55 | 73 |
| Avg Precip (In.) | 5.62 | 4.7 | 6.23 | 5.6 | 5.23 | 4.94 | 4.44 | 2.95 | 3.73 | 3.33 | 5.44 | 5.8 | 58 |