Frost dates in Ruston, WA
The average last spring frost in Ruston is around March 13 and the first fall frost is around November 21. That gives Ruston 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 |