Frost dates in Glenwood City, WI
The average last spring frost in Glenwood City is around May 1 and the first fall frost is around September 29. That gives Glenwood City an average growing season of about 151 days.
Last spring frost
| Early (10% chance after) | March 27 |
|---|---|
| Average (50%) | May 1 |
| Late (90%) | May 16 |
First fall frost
| Early (10%) | September 9 |
|---|---|
| Average (50%) | September 29 |
| Late (90% chance before) | October 16 |