Frost dates in Morro Bay, CA
The average last spring frost in Morro Bay is around February 6 and the first fall frost is around December 9. That gives Morro Bay an average growing season of about 307 days.
Last spring frost
| Early (10% chance after) | January 8 |
|---|---|
| Average (50%) | February 6 |
| Late (90%) | March 11 |
First fall frost
| Early (10%) | November 20 |
|---|---|
| Average (50%) | December 9 |
| Late (90% chance before) | December 26 |