Frost dates in Sunburg, MN
The average last spring frost in Sunburg is around May 2 and the first fall frost is around October 8. That gives Sunburg an average growing season of about 159 days.
Last spring frost
| Early (10% chance after) | April 25 |
|---|---|
| Average (50%) | May 2 |
| Late (90%) | May 16 |
First fall frost
| Early (10%) | September 25 |
|---|---|
| Average (50%) | October 8 |
| Late (90% chance before) | October 16 |