Frost dates in Montreal, WI
The average last spring frost in Montreal is around May 23 and the first fall frost is around September 30. That gives Montreal an average growing season of about 130 days.
Last spring frost
| Early (10% chance after) | May 7 |
|---|---|
| Average (50%) | May 23 |
| Late (90%) | June 18 |
First fall frost
| Early (10%) | September 11 |
|---|---|
| Average (50%) | September 30 |
| Late (90% chance before) | October 12 |