Poydras, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 61.2 °F (low) to 78.5 °F (high). Annual precipitation averages 66.2 Inches. Poydras is located in USDA Plant Hardiness Zone 9b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 44.4 °F | 62.4 °F | 5.41 in. |
| February | 47.7 °F | 66.2 °F | 4.26 in. |
| March | 53.7 °F | 72.2 °F | 4.4 in. |
| April | 60.3 °F | 78.4 °F | 5.36 in. |
| May | 67.9 °F | 85.4 °F | 5.28 in. |
| June | 73.7 °F | 90.0 °F | 6.72 in. |
| July | 75.5 °F | 91.5 °F | 7.3 in. |
| August | 75.5 °F | 91.5 °F | 9.04 in. |
| September | 72.4 °F | 88.0 °F | 5.46 in. |
| October | 63.1 °F | 80.6 °F | 4.28 in. |
| November | 52.8 °F | 71.2 °F | 3.91 in. |
| December | 46.8 °F | 64.7 °F | 4.78 in. |
| Annual | 61.2 °F | 78.5 °F | 66.2 in. |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 9b : 25°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |