Frost dates in Burlington, ND
The average last spring frost in Burlington is around May 12 and the first fall frost is around September 27. That gives Burlington an average growing season of about 138 days.
Last spring frost
| Early (10% chance after) | April 24 |
|---|---|
| Average (50%) | May 12 |
| Late (90%) | May 24 |
First fall frost
| Early (10%) | September 13 |
|---|---|
| Average (50%) | September 27 |
| Late (90% chance before) | October 11 |