Frost dates in Halliday, ND
The average last spring frost in Halliday is around May 19 and the first fall frost is around September 18. That gives Halliday an average growing season of about 122 days.
Last spring frost
| Early (10% chance after) | May 5 |
|---|---|
| Average (50%) | May 19 |
| Late (90%) | June 1 |
First fall frost
| Early (10%) | September 3 |
|---|---|
| Average (50%) | September 18 |
| Late (90% chance before) | October 5 |