Frost dates in Chelan, WA
The average last spring frost in Chelan is around April 12 and the first fall frost is around October 25. That gives Chelan an average growing season of about 196 days.
Last spring frost
| Early (10% chance after) | March 25 |
|---|---|
| Average (50%) | April 12 |
| Late (90%) | April 30 |
First fall frost
| Early (10%) | October 11 |
|---|---|
| Average (50%) | October 25 |
| Late (90% chance before) | November 8 |