Frost dates in Hayward, WI
The average last spring frost in Hayward is around May 21 and the first fall frost is around September 21. That gives Hayward an average growing season of about 123 days.
Last spring frost
| Early (10% chance after) | April 1 |
|---|---|
| Average (50%) | May 21 |
| Late (90%) | June 17 |
First fall frost
| Early (10%) | August 29 |
|---|---|
| Average (50%) | September 21 |
| Late (90% chance before) | November 1 |