Estelle, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 16 °C (low) to 25.8 °C (high). Annual precipitation averages 1671.6 Millimeters. Estelle is located in USDA Plant Hardiness Zone 9b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 6.8 °C | 16.9 °C | 141.48 mm |
| February | 8.7 °C | 19.1 °C | 104.9 mm |
| March | 12.1 °C | 22.3 °C | 119.89 mm |
| April | 15.7 °C | 25.8 °C | 127.51 mm |
| May | 19.8 °C | 29.6 °C | 138.43 mm |
| June | 23 °C | 32.2 °C | 180.85 mm |
| July | 23.9 °C | 33.1 °C | 194.31 mm |
| August | 23.9 °C | 32.9 °C | 184.66 mm |
| September | 22.1 °C | 31.1 °C | 153.67 mm |
| October | 16.9 °C | 27 °C | 93.98 mm |
| November | 11.2 °C | 21.7 °C | 100.84 mm |
| December | 8.2 °C | 18.2 °C | 131.06 mm |
| Annual | 16 °C | 25.8 °C | 1671.58 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 |