Frost dates in Dunes City, OR
The average last spring frost in Dunes City is around April 5 and the first fall frost is around November 20. That gives Dunes City an average growing season of about 229 days.
Last spring frost
| Early (10% chance after) | February 27 |
|---|---|
| Average (50%) | April 5 |
| Late (90%) | May 6 |
First fall frost
| Early (10%) | October 28 |
|---|---|
| Average (50%) | November 20 |
| Late (90% chance before) | December 14 |