Frost dates in Sheyenne, ND
The average last spring frost in Sheyenne is around May 14 and the first fall frost is around September 29. That gives Sheyenne an average growing season of about 138 days.
Last spring frost
| Early (10% chance after) | April 30 |
|---|---|
| Average (50%) | May 14 |
| Late (90%) | May 24 |
First fall frost
| Early (10%) | September 18 |
|---|---|
| Average (50%) | September 29 |
| Late (90% chance before) | October 13 |