Frost dates in DuPont, WA
The average last spring frost in DuPont is around March 13 and the first fall frost is around November 21. That gives DuPont an average growing season of about 253 days.
Last spring frost
| Early (10% chance after) | February 13 |
|---|---|
| Average (50%) | March 13 |
| Late (90%) | April 5 |
First fall frost
| Early (10%) | November 2 |
|---|---|
| Average (50%) | November 21 |
| Late (90% chance before) | December 15 |