Frost dates in Lonerock, OR
The average last spring frost in Lonerock is around June 6 and the first fall frost is around September 12. That gives Lonerock an average growing season of about 98 days.
Last spring frost
| Early (10% chance after) | May 3 |
|---|---|
| Average (50%) | June 6 |
| Late (90%) | July 7 |
First fall frost
| Early (10%) | August 26 |
|---|---|
| Average (50%) | September 12 |
| Late (90% chance before) | October 18 |