Frost dates in Silver Bay, MN
The average last spring frost in Silver Bay is around May 19 and the first fall frost is around October 1. That gives Silver Bay an average growing season of about 135 days.
Last spring frost
| Early (10% chance after) | May 3 |
|---|---|
| Average (50%) | May 19 |
| Late (90%) | May 31 |
First fall frost
| Early (10%) | September 14 |
|---|---|
| Average (50%) | October 1 |
| Late (90% chance before) | October 10 |