Campti, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 55 °F (low) to 77.4 °F (high). Annual precipitation averages 56.6 Inches. Campti 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 | 37.1 °F | 58.2 °F | 5.52 in. |
| February | 39.9 °F | 62.5 °F | 4.94 in. |
| March | 46.9 °F | 70.1 °F | 5.49 in. |
| April | 54.3 °F | 77.6 °F | 5.4 in. |
| May | 62.9 °F | 84.8 °F | 4.63 in. |
| June | 70.2 °F | 90.8 °F | 4.47 in. |
| July | 73.0 °F | 93.6 °F | 4.11 in. |
| August | 72.1 °F | 94.0 °F | 3.72 in. |
| September | 65.9 °F | 88.8 °F | 3.74 in. |
| October | 54.4 °F | 79.2 °F | 4.37 in. |
| November | 44.6 °F | 68.5 °F | 4.69 in. |
| December | 38.8 °F | 60.3 °F | 5.54 in. |
| Annual | 55 °F | 77.4 °F | 56.62 in. |
| 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 : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |