Ridgeland, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 53.6 °F (low) to 75.3 °F (high). Annual precipitation averages 56.8 Inches. Ridgeland 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 | 35.8 °F | 56.7 °F | 5.39 in. |
| February | 38.5 °F | 61.1 °F | 5.54 in. |
| March | 45.2 °F | 68.7 °F | 5.17 in. |
| April | 52.8 °F | 75.2 °F | 6.08 in. |
| May | 61.8 °F | 82.5 °F | 4.27 in. |
| June | 68.7 °F | 88.4 °F | 4.41 in. |
| July | 71.3 °F | 90.7 °F | 4.92 in. |
| August | 70.5 °F | 90.9 °F | 4.27 in. |
| September | 64.9 °F | 86.6 °F | 3.44 in. |
| October | 53.1 °F | 77.5 °F | 3.34 in. |
| November | 43.0 °F | 66.7 °F | 4.8 in. |
| December | 37.8 °F | 59.0 °F | 5.15 in. |
| Annual | 53.6 °F | 75.3 °F | 56.78 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 30-40 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 | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |