Frost dates in Dunsmuir, CA
The average last spring frost in Dunsmuir is around April 20 and the first fall frost is around October 25. That gives Dunsmuir an average growing season of about 188 days.
Last spring frost
| Early (10% chance after) | April 5 |
|---|---|
| Average (50%) | April 20 |
| Late (90%) | May 16 |
First fall frost
| Early (10%) | October 3 |
|---|---|
| Average (50%) | October 25 |
| Late (90% chance before) | November 8 |