Frost dates in Columbia City, OR
The average last spring frost in Columbia City is around April 18 and the first fall frost is around October 31. That gives Columbia City an average growing season of about 196 days.
Last spring frost
| Early (10% chance after) | March 15 |
|---|---|
| Average (50%) | April 18 |
| Late (90%) | May 26 |
First fall frost
| Early (10%) | October 14 |
|---|---|
| Average (50%) | October 31 |
| Late (90% chance before) | November 26 |