Frost dates in Summerville, OR
The average last spring frost in Summerville is around June 3 and the first fall frost is around September 6. That gives Summerville an average growing season of about 95 days.
Last spring frost
| Early (10% chance after) | May 14 |
|---|---|
| Average (50%) | June 3 |
| Late (90%) | July 5 |
First fall frost
| Early (10%) | August 20 |
|---|---|
| Average (50%) | September 6 |
| Late (90% chance before) | September 23 |