Wilson, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 55.5 °F (low) to 77.8 °F (high). Annual precipitation averages 64.8 Inches. Wilson is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 38.8 °F | 60.9 °F | 6.82 in. |
| February | 41.9 °F | 64.9 °F | 5.62 in. |
| March | 48.2 °F | 71.7 °F | 5.55 in. |
| April | 54.6 °F | 78.1 °F | 5.16 in. |
| May | 62.7 °F | 84.5 °F | 5.36 in. |
| June | 69.2 °F | 89.7 °F | 5.52 in. |
| July | 71.4 °F | 91.4 °F | 5.85 in. |
| August | 71.0 °F | 91.9 °F | 6.17 in. |
| September | 66.4 °F | 88.1 °F | 4.34 in. |
| October | 55.5 °F | 79.9 °F | 4.65 in. |
| November | 45.8 °F | 69.9 °F | 4.42 in. |
| December | 40.5 °F | 62.7 °F | 5.33 in. |
| Annual | 55.5 °F | 77.8 °F | 64.79 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | 10-20 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 |