Frost dates in Dufur, OR
The average last spring frost in Dufur is around May 26 and the first fall frost is around October 1. That gives Dufur an average growing season of about 128 days.
Last spring frost
| Early (10% chance after) | April 30 |
|---|---|
| Average (50%) | May 26 |
| Late (90%) | June 15 |
First fall frost
| Early (10%) | September 15 |
|---|---|
| Average (50%) | October 1 |
| Late (90% chance before) | October 20 |