Frost dates in Ukiah, CA
The average last spring frost in Ukiah is around April 4 and the first fall frost is around November 7. That gives Ukiah an average growing season of about 217 days.
Last spring frost
| Early (10% chance after) | March 2 |
|---|---|
| Average (50%) | April 4 |
| Late (90%) | May 7 |
First fall frost
| Early (10%) | October 15 |
|---|---|
| Average (50%) | November 7 |
| Late (90% chance before) | November 28 |