Frost dates in Kulm, ND
The average last spring frost in Kulm is around May 16 and the first fall frost is around September 22. That gives Kulm an average growing season of about 129 days.
Last spring frost
| Early (10% chance after) | April 28 |
|---|---|
| Average (50%) | May 16 |
| Late (90%) | June 5 |
First fall frost
| Early (10%) | September 7 |
|---|---|
| Average (50%) | September 22 |
| Late (90% chance before) | October 12 |