Weather temperatures in Newport Beach all through December is 13. You can expect highs around 19 with lows around 11. See our table below for a full breakdown:
| Month | Degrees Celsius |
|---|---|
| Temperature | 13 |
| High Temperature | 19 |
| Low Temperature | 11 |
| Sunshine Per Day | 8 |
Useful Links: Newport Beach Weather: Average Weather & Yearly Climate