Delta City, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 54.2 °F (low) to 75.1 °F (high). Annual precipitation averages 58.4 Inches. Delta City is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 35.3 °F | 53.7 °F | 5.78 in. |
| February | 38.6 °F | 58.3 °F | 5.26 in. |
| March | 45.8 °F | 66.6 °F | 5.39 in. |
| April | 54.2 °F | 75.7 °F | 6.46 in. |
| May | 63.3 °F | 83.5 °F | 4.77 in. |
| June | 70.1 °F | 89.9 °F | 3.81 in. |
| July | 72.6 °F | 92.4 °F | 4.15 in. |
| August | 71.3 °F | 92.4 °F | 3.93 in. |
| September | 64.9 °F | 88.0 °F | 3.74 in. |
| October | 53.5 °F | 78.0 °F | 4.57 in. |
| November | 43.5 °F | 65.7 °F | 4.74 in. |
| December | 37.8 °F | 56.4 °F | 5.75 in. |
| Annual | 54.2 °F | 75.1 °F | 58.35 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |