Frost dates in Pasco, WA
The average last spring frost in Pasco is around April 30 and the first fall frost is around October 13. That gives Pasco an average growing season of about 166 days.
Last spring frost
| Early (10% chance after) | April 18 |
|---|---|
| Average (50%) | April 30 |
| Late (90%) | May 11 |
First fall frost
| Early (10%) | October 2 |
|---|---|
| Average (50%) | October 13 |
| Late (90% chance before) | October 27 |