Longville, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 56.8 °F (low) to 77.8 °F (high). Annual precipitation averages 61.1 Inches. Longville is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 11 - Feb. 20 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 39.5 °F | 60.5 °F | 6.3 in. |
| February | 43.1 °F | 64.4 °F | 4.41 in. |
| March | 49.3 °F | 71.2 °F | 4.1 in. |
| April | 56.2 °F | 77.6 °F | 4.63 in. |
| May | 64.5 °F | 84.4 °F | 4.93 in. |
| June | 70.8 °F | 89.8 °F | 5.97 in. |
| July | 72.9 °F | 91.7 °F | 5.28 in. |
| August | 72.5 °F | 92.5 °F | 4.59 in. |
| September | 67.7 °F | 88.4 °F | 5.09 in. |
| October | 57.0 °F | 80.3 °F | 5.25 in. |
| November | 47.1 °F | 69.8 °F | 5.29 in. |
| December | 41.5 °F | 62.4 °F | 5.24 in. |
| Annual | 56.8 °F | 77.8 °F | 61.08 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 11 - Feb. 20 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |