Grenada, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.3 °F (low) to 73.4 °F (high). Annual precipitation averages 58.7 Inches. Grenada is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 32.2 °F | 51.9 °F | 5.13 in. |
| February | 35.0 °F | 56.6 °F | 5.3 in. |
| March | 42.2 °F | 65.5 °F | 5.35 in. |
| April | 50.3 °F | 73.9 °F | 6.23 in. |
| May | 59.9 °F | 81.3 °F | 5.44 in. |
| June | 67.5 °F | 88.0 °F | 4.62 in. |
| July | 70.8 °F | 90.7 °F | 4.6 in. |
| August | 69.6 °F | 91.1 °F | 3.8 in. |
| September | 62.7 °F | 86.4 °F | 3.74 in. |
| October | 50.7 °F | 76.2 °F | 3.67 in. |
| November | 40.4 °F | 64.1 °F | 4.59 in. |
| December | 34.6 °F | 54.8 °F | 6.19 in. |
| Annual | 51.3 °F | 73.4 °F | 58.66 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |