Leesville, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 55.7 °F (low) to 77.7 °F (high). Annual precipitation averages 59.6 Inches. Leesville is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 38.3 °F | 59.7 °F | 5.69 in. |
| February | 41.7 °F | 63.7 °F | 4.74 in. |
| March | 48.4 °F | 71.2 °F | 4.99 in. |
| April | 54.9 °F | 77.7 °F | 5.25 in. |
| May | 63.3 °F | 84.7 °F | 4.79 in. |
| June | 69.9 °F | 90.3 °F | 4.94 in. |
| July | 71.9 °F | 92.6 °F | 4.38 in. |
| August | 71.5 °F | 93.4 °F | 4.35 in. |
| September | 66.4 °F | 88.6 °F | 4.41 in. |
| October | 55.7 °F | 80.0 °F | 5.05 in. |
| November | 45.8 °F | 69.3 °F | 5.37 in. |
| December | 40.1 °F | 61.6 °F | 5.6 in. |
| Annual | 55.7 °F | 77.7 °F | 59.56 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |