Frost dates in Vermillion, MN
The average last spring frost in Vermillion is around May 5 and the first fall frost is around October 2. That gives Vermillion an average growing season of about 150 days.
Last spring frost
| Early (10% chance after) | April 18 |
|---|---|
| Average (50%) | May 5 |
| Late (90%) | May 18 |
First fall frost
| Early (10%) | September 19 |
|---|---|
| Average (50%) | October 2 |
| Late (90% chance before) | October 15 |