Frost dates in Whitehall, WI
The average last spring frost in Whitehall is around May 17 and the first fall frost is around September 25. That gives Whitehall an average growing season of about 131 days.
Last spring frost
| Early (10% chance after) | May 3 |
|---|---|
| Average (50%) | May 17 |
| Late (90%) | May 31 |
First fall frost
| Early (10%) | September 11 |
|---|---|
| Average (50%) | September 25 |
| Late (90% chance before) | October 4 |