Frost dates in Newport Beach, CA
The average last spring frost in Newport Beach is around January 23 and the first fall frost is around October 30. That gives Newport Beach an average growing season of about 281 days.
Last spring frost
| Early (10% chance after) | January 5 |
|---|---|
| Average (50%) | January 23 |
| Late (90%) | May 15 |
First fall frost
| Early (10%) | October 30 |
|---|---|
| Average (50%) | October 30 |
| Late (90% chance before) | October 30 |