Frost dates in Carbonado, WA
The average last spring frost in Carbonado is around June 7 and the first fall frost is around October 13. That gives Carbonado an average growing season of about 128 days.
Last spring frost
| Early (10% chance after) | May 9 |
|---|---|
| Average (50%) | June 7 |
| Late (90%) | June 26 |
First fall frost
| Early (10%) | September 30 |
|---|---|
| Average (50%) | October 13 |
| Late (90% chance before) | October 24 |