Frost dates in Granite, OR
The average last spring frost in Granite is around June 13 and the first fall frost is around September 16. That gives Granite an average growing season of about 95 days.
Last spring frost
| Early (10% chance after) | May 20 |
|---|---|
| Average (50%) | June 13 |
| Late (90%) | July 3 |
First fall frost
| Early (10%) | August 25 |
|---|---|
| Average (50%) | September 16 |
| Late (90% chance before) | October 5 |