Violet, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 16.4 °C (low) to 25.9 °C (high). Annual precipitation averages 1688.3 Millimeters. Violet is located in USDA Plant Hardiness Zone 9b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 7 °C | 16.9 °C | 137.92 mm |
| February | 8.9 °C | 18.9 °C | 108.2 mm |
| March | 12.3 °C | 22.4 °C | 110.24 mm |
| April | 15.9 °C | 25.8 °C | 134.87 mm |
| May | 20.2 °C | 29.7 °C | 136.14 mm |
| June | 23.4 °C | 32.2 °C | 168.66 mm |
| July | 24.3 °C | 33.1 °C | 185.93 mm |
| August | 24.4 °C | 33.1 °C | 237.24 mm |
| September | 22.6 °C | 31.2 °C | 137.41 mm |
| October | 17.4 °C | 27 °C | 109.98 mm |
| November | 11.7 °C | 21.8 °C | 100.33 mm |
| December | 8.3 °C | 18.1 °C | 121.41 mm |
| Annual | 16.4 °C | 25.9 °C | 1688.33 mm |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 9b : -3.9°C to -1.1°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |