Frost dates in Leonard, MN
The average last spring frost in Leonard is around May 18 and the first fall frost is around September 26. That gives Leonard an average growing season of about 131 days.
Last spring frost
| Early (10% chance after) | April 29 |
|---|---|
| Average (50%) | May 18 |
| Late (90%) | June 4 |
First fall frost
| Early (10%) | September 12 |
|---|---|
| Average (50%) | September 26 |
| Late (90% chance before) | October 10 |