Frost dates in Calistoga, CA
The average last spring frost in Calistoga is around March 26 and the first fall frost is around November 14. That gives Calistoga an average growing season of about 233 days.
Last spring frost
| Early (10% chance after) | February 11 |
|---|---|
| Average (50%) | March 26 |
| Late (90%) | May 10 |
First fall frost
| Early (10%) | October 22 |
|---|---|
| Average (50%) | November 14 |
| Late (90% chance before) | December 8 |