Frost dates in Columbia Heights, MN
The average last spring frost in Columbia Heights is around April 22 and the first fall frost is around October 15. That gives Columbia Heights an average growing season of about 176 days.
Last spring frost
| Early (10% chance after) | April 9 |
|---|---|
| Average (50%) | April 22 |
| Late (90%) | April 30 |
First fall frost
| Early (10%) | October 2 |
|---|---|
| Average (50%) | October 15 |
| Late (90% chance before) | October 30 |