Mound, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 54.6 °F (low) to 75.9 °F (high). Annual precipitation averages 57.5 Inches. Mound is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 36.4 °F | 56.3 °F | 5.64 in. |
| February | 39.6 °F | 60.7 °F | 5.3 in. |
| March | 46.6 °F | 68.7 °F | 5.62 in. |
| April | 54.2 °F | 76.1 °F | 6.43 in. |
| May | 63.2 °F | 83.5 °F | 4.43 in. |
| June | 70.1 °F | 89.4 °F | 4.3 in. |
| July | 72.4 °F | 91.7 °F | 4.14 in. |
| August | 71.3 °F | 91.9 °F | 3.75 in. |
| September | 65.3 °F | 87.7 °F | 3.48 in. |
| October | 53.7 °F | 78.6 °F | 3.95 in. |
| November | 43.6 °F | 67.2 °F | 4.85 in. |
| December | 38.3 °F | 58.9 °F | 5.57 in. |
| Annual | 54.6 °F | 75.9 °F | 57.46 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |