Frost dates in Mendota Heights, MN
The average last spring frost in Mendota Heights is around April 30 and the first fall frost is around October 20. That gives Mendota Heights an average growing season of about 173 days.
Last spring frost
| Early (10% chance after) | April 14 |
|---|---|
| Average (50%) | April 30 |
| Late (90%) | May 9 |
First fall frost
| Early (10%) | October 9 |
|---|---|
| Average (50%) | October 20 |
| Late (90% chance before) | October 29 |