Frost dates in Oliver, WI
The average last spring frost in Oliver is around May 12 and the first fall frost is around September 29. That gives Oliver an average growing season of about 140 days.
Last spring frost
| Early (10% chance after) | April 28 |
|---|---|
| Average (50%) | May 12 |
| Late (90%) | June 9 |
First fall frost
| Early (10%) | September 13 |
|---|---|
| Average (50%) | September 29 |
| Late (90% chance before) | October 19 |