Delcambre, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 58.7 °F (low) to 78 °F (high). Annual precipitation averages 63.5 Inches. Delcambre is located in USDA Plant Hardiness Zone 9b. The growing season typically runs from the last frost around Jan. 21 - Jan. 31 through the first frost around Dec. 21 - Dec. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 42.2 °F | 61.9 °F | 5.77 in. |
| February | 45.6 °F | 65.4 °F | 4.25 in. |
| March | 51.8 °F | 71.9 °F | 3.78 in. |
| April | 58.2 °F | 77.7 °F | 5.14 in. |
| May | 66.1 °F | 84.3 °F | 4.92 in. |
| June | 72.2 °F | 89.1 °F | 6.89 in. |
| July | 74.2 °F | 90.6 °F | 6.73 in. |
| August | 73.2 °F | 91.1 °F | 6.69 in. |
| September | 69.1 °F | 88.1 °F | 5.51 in. |
| October | 59.1 °F | 80.8 °F | 4.69 in. |
| November | 49.1 °F | 71.1 °F | 4.64 in. |
| December | 44.0 °F | 64.0 °F | 4.52 in. |
| Annual | 58.7 °F | 78 °F | 63.53 in. |
| Average First Frost Date | Dec. 21 - Dec. 31 |
| Average Last Frost Date | Jan. 21 - Jan. 31 |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 9b : 25°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |