Frost dates in Howard Lake, MN
The average last spring frost in Howard Lake is around April 28 and the first fall frost is around October 16. That gives Howard Lake an average growing season of about 171 days.
Last spring frost
| Early (10% chance after) | April 14 |
|---|---|
| Average (50%) | April 28 |
| Late (90%) | May 13 |
First fall frost
| Early (10%) | October 1 |
|---|---|
| Average (50%) | October 16 |
| Late (90% chance before) | October 28 |