Boothville, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 64.3 °F (low) to 76.5 °F (high). Annual precipitation averages 62.3 Inches. Boothville is located in USDA Plant Hardiness Zone 10a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 47.9 °F | 61.4 °F | 5.01 in. |
| February | 50.3 °F | 64.7 °F | 4.18 in. |
| March | 55.3 °F | 69.7 °F | 4.71 in. |
| April | 62.6 °F | 75.7 °F | 4.24 in. |
| May | 70.1 °F | 82.0 °F | 3.93 in. |
| June | 75.9 °F | 87.3 °F | 5.89 in. |
| July | 77.6 °F | 88.8 °F | 7.75 in. |
| August | 77.6 °F | 89.0 °F | 7.61 in. |
| September | 75.8 °F | 86.2 °F | 5.87 in. |
| October | 68.4 °F | 78.9 °F | 4.17 in. |
| November | 58.3 °F | 70.4 °F | 4.17 in. |
| December | 51.2 °F | 64.0 °F | 4.73 in. |
| Annual | 64.3 °F | 76.5 °F | 62.26 in. |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 10a : 30°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 9b : 25°F to 20°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |