Frost dates in Lyons, OR
The average last spring frost in Lyons is around May 12 and the first fall frost is around October 7. That gives Lyons an average growing season of about 148 days.
Last spring frost
| Early (10% chance after) | April 27 |
|---|---|
| Average (50%) | May 12 |
| Late (90%) | June 5 |
First fall frost
| Early (10%) | September 11 |
|---|---|
| Average (50%) | October 7 |
| Late (90% chance before) | October 29 |