Mound, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.5 °C (low) to 24.4 °C (high). Annual precipitation averages 1459.5 Millimeters. 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 | 2.4 °C | 13.5 °C | 143.26 mm |
| February | 4.2 °C | 15.9 °C | 134.62 mm |
| March | 8.1 °C | 20.4 °C | 142.75 mm |
| April | 12.3 °C | 24.5 °C | 163.32 mm |
| May | 17.3 °C | 28.6 °C | 112.52 mm |
| June | 21.2 °C | 31.9 °C | 109.22 mm |
| July | 22.4 °C | 33.2 °C | 105.16 mm |
| August | 21.8 °C | 33.3 °C | 95.25 mm |
| September | 18.5 °C | 30.9 °C | 88.39 mm |
| October | 12.1 °C | 25.9 °C | 100.33 mm |
| November | 6.4 °C | 19.6 °C | 123.19 mm |
| December | 3.5 °C | 14.9 °C | 141.48 mm |
| Annual | 12.5 °C | 24.4 °C | 1459.49 mm |
| 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 : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |