Frost dates in Ukiah, OR
The average last spring frost in Ukiah is around June 15 and the first fall frost is around September 18. That gives Ukiah an average growing season of about 95 days.
Last spring frost
| Early (10% chance after) | May 27 |
|---|---|
| Average (50%) | June 15 |
| Late (90%) | June 28 |
First fall frost
| Early (10%) | August 25 |
|---|---|
| Average (50%) | September 18 |
| Late (90% chance before) | October 5 |