Frost dates in Sanborn, ND
The average last spring frost in Sanborn is around May 17 and the first fall frost is around September 21. That gives Sanborn an average growing season of about 127 days.
Last spring frost
| Early (10% chance after) | May 2 |
|---|---|
| Average (50%) | May 17 |
| Late (90%) | June 2 |
First fall frost
| Early (10%) | September 6 |
|---|---|
| Average (50%) | September 21 |
| Late (90% chance before) | October 5 |