Frost dates in Helix, OR
The average last spring frost in Helix is around May 12 and the first fall frost is around September 25. That gives Helix an average growing season of about 136 days.
Last spring frost
| Early (10% chance after) | April 25 |
|---|---|
| Average (50%) | May 12 |
| Late (90%) | June 1 |
First fall frost
| Early (10%) | September 10 |
|---|---|
| Average (50%) | September 25 |
| Late (90% chance before) | October 17 |