Frost dates in North Mankato, MN
The average last spring frost in North Mankato is around April 30 and the first fall frost is around October 3. That gives North Mankato an average growing season of about 156 days.
Last spring frost
| Early (10% chance after) | April 20 |
|---|---|
| Average (50%) | April 30 |
| Late (90%) | May 12 |
First fall frost
| Early (10%) | September 21 |
|---|---|
| Average (50%) | October 3 |
| Late (90% chance before) | October 11 |