More often than not the weather in New Orleans in December is 12. Average highs are typically 18 and low around 9. We have provided a clearer breakdown here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 12 |
| High Temperature | 18 |
| Low Temperature | 9 |
| Sunshine Per Day | 7 |
Useful Links: New Orleans Weather: Average Weather & Yearly Climate