Frost dates in Pateros, WA
The average last spring frost in Pateros is around May 9 and the first fall frost is around October 3. That gives Pateros an average growing season of about 147 days.
Last spring frost
| Early (10% chance after) | April 22 |
|---|---|
| Average (50%) | May 9 |
| Late (90%) | May 28 |
First fall frost
| Early (10%) | September 21 |
|---|---|
| Average (50%) | October 3 |
| Late (90% chance before) | October 19 |