Cut Off, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 60.6 °F (low) to 78 °F (high). Annual precipitation averages 65.1 Inches. Cut Off is located in USDA Plant Hardiness Zone 9b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 44.2 °F | 62.9 °F | 5.38 in. |
| February | 47.9 °F | 66.4 °F | 4.03 in. |
| March | 53.7 °F | 71.9 °F | 4.36 in. |
| April | 60.1 °F | 77.5 °F | 4.72 in. |
| May | 67.5 °F | 84.0 °F | 5.16 in. |
| June | 73.1 °F | 88.7 °F | 7.11 in. |
| July | 74.7 °F | 90.2 °F | 8.0 in. |
| August | 74.7 °F | 90.4 °F | 7.78 in. |
| September | 71.3 °F | 87.2 °F | 6.17 in. |
| October | 62.1 °F | 80.4 °F | 4.18 in. |
| November | 51.5 °F | 71.4 °F | 3.67 in. |
| December | 46.2 °F | 65.1 °F | 4.56 in. |
| Annual | 60.6 °F | 78 °F | 65.12 in. |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| 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 | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |