Courtland, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.9 °F (low) to 73 °F (high). Annual precipitation averages 56.8 Inches. Courtland 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 | 31.5 °F | 51.4 °F | 4.81 in. |
| February | 34.2 °F | 56.0 °F | 5.46 in. |
| March | 41.5 °F | 64.8 °F | 5.34 in. |
| April | 49.9 °F | 73.5 °F | 5.86 in. |
| May | 59.8 °F | 81.2 °F | 5.13 in. |
| June | 67.5 °F | 88.1 °F | 4.92 in. |
| July | 70.8 °F | 90.7 °F | 4.24 in. |
| August | 69.2 °F | 90.9 °F | 3.16 in. |
| September | 62.3 °F | 86.2 °F | 3.31 in. |
| October | 50.3 °F | 75.9 °F | 4.08 in. |
| November | 39.8 °F | 63.6 °F | 4.47 in. |
| December | 33.9 °F | 54.1 °F | 5.97 in. |
| Annual | 50.9 °F | 73 °F | 56.75 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 7b : 5°F to 10°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |