Frost dates in Nyssa, OR
The average last spring frost in Nyssa is around April 30 and the first fall frost is around October 9. That gives Nyssa an average growing season of about 162 days.
Last spring frost
| Early (10% chance after) | April 9 |
|---|---|
| Average (50%) | April 30 |
| Late (90%) | May 18 |
First fall frost
| Early (10%) | September 25 |
|---|---|
| Average (50%) | October 9 |
| Late (90% chance before) | November 1 |