Ferriday, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 55.4 °F (low) to 76.8 °F (high). Annual precipitation averages 60.2 Inches. Ferriday is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 37.9 °F | 57.7 °F | 5.89 in. |
| February | 39.9 °F | 62.3 °F | 5.36 in. |
| March | 47.9 °F | 70.1 °F | 5.58 in. |
| April | 55.0 °F | 76.9 °F | 5.36 in. |
| May | 63.2 °F | 84.5 °F | 4.71 in. |
| June | 70.4 °F | 89.6 °F | 5.01 in. |
| July | 72.7 °F | 91.5 °F | 4.72 in. |
| August | 71.6 °F | 92.5 °F | 4.5 in. |
| September | 66.4 °F | 88.1 °F | 4.16 in. |
| October | 54.6 °F | 79.9 °F | 4.22 in. |
| November | 45.0 °F | 68.5 °F | 5.14 in. |
| December | 39.9 °F | 60.4 °F | 5.5 in. |
| Annual | 55.4 °F | 76.8 °F | 60.15 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 30-40 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 | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |