Jonesville, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 54.8 °F (low) to 77.3 °F (high). Annual precipitation averages 61.2 Inches. Jonesville is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 37.1 °F | 58.0 °F | 5.79 in. |
| February | 39.5 °F | 62.4 °F | 5.48 in. |
| March | 46.9 °F | 70.2 °F | 5.42 in. |
| April | 54.4 °F | 77.2 °F | 5.72 in. |
| May | 63.0 °F | 84.7 °F | 5.01 in. |
| June | 69.9 °F | 90.6 °F | 5.13 in. |
| July | 72.2 °F | 92.9 °F | 4.79 in. |
| August | 71.3 °F | 93.4 °F | 4.69 in. |
| September | 65.8 °F | 88.6 °F | 4.19 in. |
| October | 54.0 °F | 80.5 °F | 4.34 in. |
| November | 44.5 °F | 68.8 °F | 5.11 in. |
| December | 38.7 °F | 60.3 °F | 5.56 in. |
| Annual | 54.8 °F | 77.3 °F | 61.23 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |