Frost dates in Columbus, ND
The average last spring frost in Columbus is around May 17 and the first fall frost is around September 18. That gives Columbus an average growing season of about 124 days.
Last spring frost
| Early (10% chance after) | May 5 |
|---|---|
| Average (50%) | May 17 |
| Late (90%) | June 3 |
First fall frost
| Early (10%) | September 5 |
|---|---|
| Average (50%) | September 18 |
| Late (90% chance before) | October 5 |