Frost dates in Hettinger, ND
The average last spring frost in Hettinger is around May 20 and the first fall frost is around September 20. That gives Hettinger an average growing season of about 123 days.
Last spring frost
| Early (10% chance after) | May 8 |
|---|---|
| Average (50%) | May 20 |
| Late (90%) | June 8 |
First fall frost
| Early (10%) | September 4 |
|---|---|
| Average (50%) | September 20 |
| Late (90% chance before) | October 4 |