Frost dates in Ross, CA
The average last spring frost in Ross is around February 27 and the first fall frost is around November 28. That gives Ross an average growing season of about 275 days.
Last spring frost
| Early (10% chance after) | January 10 |
|---|---|
| Average (50%) | February 27 |
| Late (90%) | April 10 |
First fall frost
| Early (10%) | November 5 |
|---|---|
| Average (50%) | November 28 |
| Late (90% chance before) | December 22 |