Empire, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 17.6 °C (low) to 24.9 °C (high). Annual precipitation averages 1639.6 Millimeters. Empire is located in USDA Plant Hardiness Zone 10a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 8.3 °C | 16.4 °C | 129.79 mm |
| February | 10.1 °C | 18.3 °C | 106.17 mm |
| March | 12.9 °C | 21.2 °C | 116.84 mm |
| April | 16.9 °C | 24.6 °C | 110.74 mm |
| May | 21.1 °C | 27.9 °C | 106.68 mm |
| June | 24.1 °C | 31 °C | 167.39 mm |
| July | 25.1 °C | 31.6 °C | 213.61 mm |
| August | 25.1 °C | 31.7 °C | 196.85 mm |
| September | 23.9 °C | 30.2 °C | 167.39 mm |
| October | 19.5 °C | 26.1 °C | 106.43 mm |
| November | 13.7 °C | 21.4 °C | 103.89 mm |
| December | 10 °C | 17.8 °C | 113.79 mm |
| Annual | 17.6 °C | 24.9 °C | 1639.57 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 |