Boothville, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 17.9 °C (low) to 24.7 °C (high). Annual precipitation averages 1581.4 Millimeters. Boothville is located in USDA Plant Hardiness Zone 10a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 8.8 °C | 16.3 °C | 127.25 mm |
| February | 10.2 °C | 18.2 °C | 106.17 mm |
| March | 12.9 °C | 20.9 °C | 119.63 mm |
| April | 17 °C | 24.3 °C | 107.7 mm |
| May | 21.2 °C | 27.8 °C | 99.82 mm |
| June | 24.4 °C | 30.7 °C | 149.61 mm |
| July | 25.3 °C | 31.6 °C | 196.85 mm |
| August | 25.3 °C | 31.7 °C | 193.29 mm |
| September | 24.3 °C | 30.1 °C | 149.1 mm |
| October | 20.2 °C | 26.1 °C | 105.92 mm |
| November | 14.6 °C | 21.3 °C | 105.92 mm |
| December | 10.7 °C | 17.8 °C | 120.14 mm |
| Annual | 17.9 °C | 24.7 °C | 1581.4 mm |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 10a : -1.1°C to 1.7°C |
| Plant Hardiness Zone - 2012 | Zone 9b : -3.9°C to -1.1°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |