Frost dates in St. Paul, OR
The average last spring frost in St. Paul is around April 3 and the first fall frost is around November 11. That gives St. Paul an average growing season of about 222 days.
Last spring frost
| Early (10% chance after) | February 26 |
|---|---|
| Average (50%) | April 3 |
| Late (90%) | April 15 |
First fall frost
| Early (10%) | September 18 |
|---|---|
| Average (50%) | November 11 |
| Late (90% chance before) | December 4 |