Frost dates in Buchanan, ND
The average last spring frost in Buchanan is around May 12 and the first fall frost is around September 24. That gives Buchanan an average growing season of about 135 days.
Last spring frost
| Early (10% chance after) | April 27 |
|---|---|
| Average (50%) | May 12 |
| Late (90%) | May 25 |
First fall frost
| Early (10%) | September 13 |
|---|---|
| Average (50%) | September 24 |
| Late (90% chance before) | October 9 |