Frost dates in Gresham, OR
The average last spring frost in Gresham is around March 23 and the first fall frost is around November 12. That gives Gresham an average growing season of about 234 days.
Last spring frost
| Early (10% chance after) | March 7 |
|---|---|
| Average (50%) | March 23 |
| Late (90%) | April 15 |
First fall frost
| Early (10%) | October 27 |
|---|---|
| Average (50%) | November 12 |
| Late (90% chance before) | December 13 |