Frost dates in Glen Flora, WI
The average last spring frost in Glen Flora is around May 18 and the first fall frost is around September 23. That gives Glen Flora an average growing season of about 128 days.
Last spring frost
| Early (10% chance after) | April 30 |
|---|---|
| Average (50%) | May 18 |
| Late (90%) | June 4 |
First fall frost
| Early (10%) | September 7 |
|---|---|
| Average (50%) | September 23 |
| Late (90% chance before) | October 16 |