Hackberry, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 59.6 °F (low) to 77.9 °F (high). Annual precipitation averages 61 Inches. Hackberry is located in USDA Plant Hardiness Zone 9b. The growing season typically runs from the last frost around Jan. 21 - Jan. 31 through the first frost around Dec. 21 - Dec. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 42.5 °F | 61.2 °F | 5.87 in. |
| February | 46.0 °F | 64.7 °F | 3.79 in. |
| March | 52.3 °F | 71.2 °F | 3.5 in. |
| April | 59.1 °F | 77.3 °F | 4.69 in. |
| May | 67.4 °F | 83.9 °F | 4.66 in. |
| June | 73.3 °F | 89.3 °F | 7.04 in. |
| July | 75.1 °F | 91.1 °F | 6.33 in. |
| August | 74.6 °F | 91.8 °F | 5.74 in. |
| September | 70.1 °F | 88.4 °F | 5.79 in. |
| October | 60.1 °F | 81.0 °F | 4.39 in. |
| November | 50.3 °F | 70.8 °F | 4.57 in. |
| December | 44.4 °F | 63.5 °F | 4.64 in. |
| Annual | 59.6 °F | 77.9 °F | 61.01 in. |
| Average First Frost Date | Dec. 21 - Dec. 31 |
| Average Last Frost Date | Jan. 21 - Jan. 31 |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 9b : 25°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |