Natchez, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 55.2 °F (low) to 77.6 °F (high). Annual precipitation averages 57.3 Inches. Natchez is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 37.4 °F | 58.5 °F | 5.65 in. |
| February | 40.4 °F | 62.7 °F | 4.9 in. |
| March | 47.1 °F | 70.2 °F | 5.49 in. |
| April | 54.5 °F | 77.8 °F | 5.41 in. |
| May | 63.1 °F | 85.1 °F | 4.64 in. |
| June | 70.3 °F | 91.1 °F | 4.56 in. |
| July | 73.1 °F | 93.7 °F | 4.18 in. |
| August | 72.2 °F | 94.2 °F | 3.79 in. |
| September | 66.3 °F | 89.1 °F | 3.78 in. |
| October | 54.7 °F | 79.8 °F | 4.47 in. |
| November | 44.7 °F | 68.6 °F | 4.83 in. |
| December | 39.1 °F | 60.6 °F | 5.63 in. |
| Annual | 55.2 °F | 77.6 °F | 57.33 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |